201495040

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2593

約数の個数: 80

約数和(自身を含む): 498896640

約数和(自身を除く): 297401600

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, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2539, 2560, 3968, 4960, 5078, 7936, 9920, 10156, 12695, 15872, 19840, 20312, 25390, 39680, 40624, 50780, 78709, 79360, 81248, 101560, 157418, 162496, 203120, 314836, 324992, 393545, 406240, 629672, 649984, 787090, 812480, 1259344, 1299968, 1574180, 1624960, 2518688, 3148360, 3249920, 5037376, 6296720, 6499840, 10074752, 12593440, 20149504, 25186880, 40299008, 50373760, 100747520, 201495040]

約数ペア:

[(1, 201495040), (2, 100747520), (4, 50373760), (5, 40299008), (8, 25186880), (10, 20149504), (16, 12593440), (20, 10074752), (31, 6499840), (32, 6296720), (40, 5037376), (62, 3249920), (64, 3148360), (80, 2518688), (124, 1624960), (128, 1574180), (155, 1299968), (160, 1259344), (248, 812480), (256, 787090), (310, 649984), (320, 629672), (496, 406240), (512, 393545), (620, 324992), (640, 314836), (992, 203120), (1240, 162496), (1280, 157418), (1984, 101560), (2480, 81248), (2539, 79360), (2560, 78709), (3968, 50780), (4960, 40624), (5078, 39680), (7936, 25390), (9920, 20312), (10156, 19840), (12695, 15872)]