3979527040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2668

約数の個数: 128

約数和(自身を含む): 9948672000

約数和(自身を除く): 5969144960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 310, 316, 320, 395, 496, 620, 632, 640, 790, 992, 1240, 1264, 1580, 1984, 2449, 2480, 2528, 2539, 3160, 3968, 4898, 4960, 5056, 5078, 6320, 9796, 9920, 10112, 10156, 12245, 12640, 12695, 19592, 19840, 20312, 24490, 25280, 25390, 39184, 40624, 48980, 50560, 50780, 78368, 78709, 81248, 97960, 101560, 156736, 157418, 162496, 195920, 200581, 203120, 313472, 314836, 324992, 391840, 393545, 401162, 406240, 629672, 783680, 787090, 802324, 812480, 1002905, 1259344, 1567360, 1574180, 1604648, 1624960, 2005810, 2518688, 3148360, 3209296, 4011620, 5037376, 6218011, 6296720, 6418592, 8023240, 10074752, 12436022, 12593440, 12837184, 16046480, 24872044, 25186880, 25674368, 31090055, 32092960, 49744088, 50373760, 62180110, 64185920, 99488176, 124360220, 128371840, 198976352, 248720440, 397952704, 497440880, 795905408, 994881760, 1989763520, 3979527040]

約数ペア:

[(1, 3979527040), (2, 1989763520), (4, 994881760), (5, 795905408), (8, 497440880), (10, 397952704), (16, 248720440), (20, 198976352), (31, 128371840), (32, 124360220), (40, 99488176), (62, 64185920), (64, 62180110), (79, 50373760), (80, 49744088), (124, 32092960), (128, 31090055), (155, 25674368), (158, 25186880), (160, 24872044), (248, 16046480), (310, 12837184), (316, 12593440), (320, 12436022), (395, 10074752), (496, 8023240), (620, 6418592), (632, 6296720), (640, 6218011), (790, 5037376), (992, 4011620), (1240, 3209296), (1264, 3148360), (1580, 2518688), (1984, 2005810), (2449, 1624960), (2480, 1604648), (2528, 1574180), (2539, 1567360), (3160, 1259344), (3968, 1002905), (4898, 812480), (4960, 802324), (5056, 787090), (5078, 783680), (6320, 629672), (9796, 406240), (9920, 401162), (10112, 393545), (10156, 391840), (12245, 324992), (12640, 314836), (12695, 313472), (19592, 203120), (19840, 200581), (20312, 195920), (24490, 162496), (25280, 157418), (25390, 156736), (39184, 101560), (40624, 97960), (48980, 81248), (50560, 78709), (50780, 78368)]