100747520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 249204480

約数和(自身を除く): 148456960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 2539, 3968, 4960, 5078, 7936, 9920, 10156, 12695, 19840, 20312, 25390, 39680, 40624, 50780, 78709, 81248, 101560, 157418, 162496, 203120, 314836, 324992, 393545, 406240, 629672, 649984, 787090, 812480, 1259344, 1574180, 1624960, 2518688, 3148360, 3249920, 5037376, 6296720, 10074752, 12593440, 20149504, 25186880, 50373760, 100747520]

約数ペア:

[(1, 100747520), (2, 50373760), (4, 25186880), (5, 20149504), (8, 12593440), (10, 10074752), (16, 6296720), (20, 5037376), (31, 3249920), (32, 3148360), (40, 2518688), (62, 1624960), (64, 1574180), (80, 1259344), (124, 812480), (128, 787090), (155, 649984), (160, 629672), (248, 406240), (256, 393545), (310, 324992), (320, 314836), (496, 203120), (620, 162496), (640, 157418), (992, 101560), (1240, 81248), (1280, 78709), (1984, 50780), (2480, 40624), (2539, 39680), (3968, 25390), (4960, 20312), (5078, 19840), (7936, 12695), (9920, 10156)]