89656960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4569

約数の個数: 64

約数和(自身を含む): 221299200

約数和(自身を除く): 131642240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4519, 4960, 9038, 9920, 18076, 19840, 22595, 36152, 45190, 72304, 90380, 140089, 144608, 180760, 280178, 289216, 361520, 560356, 578432, 700445, 723040, 1120712, 1400890, 1446080, 2241424, 2801780, 2892160, 4482848, 5603560, 8965696, 11207120, 17931392, 22414240, 44828480, 89656960]

約数ペア:

[(1, 89656960), (2, 44828480), (4, 22414240), (5, 17931392), (8, 11207120), (10, 8965696), (16, 5603560), (20, 4482848), (31, 2892160), (32, 2801780), (40, 2241424), (62, 1446080), (64, 1400890), (80, 1120712), (124, 723040), (128, 700445), (155, 578432), (160, 560356), (248, 361520), (310, 289216), (320, 280178), (496, 180760), (620, 144608), (640, 140089), (992, 90380), (1240, 72304), (1984, 45190), (2480, 36152), (3968, 22595), (4519, 19840), (4960, 18076), (9038, 9920)]