3211421440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80933}}^1$

素因数の和:80985

約数の個数: 72

約数和(自身を含む): 7940596608

約数和(自身を除く): 4729175168

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, 3968, 4960, 7936, 9920, 19840, 39680, 80933, 161866, 323732, 404665, 647464, 809330, 1294928, 1618660, 2508923, 2589856, 3237320, 5017846, 5179712, 6474640, 10035692, 10359424, 12544615, 12949280, 20071384, 20718848, 25089230, 25898560, 40142768, 50178460, 51797120, 80285536, 100356920, 103594240, 160571072, 200713840, 321142144, 401427680, 642284288, 802855360, 1605710720, 3211421440]

約数ペア:

[(1, 3211421440), (2, 1605710720), (4, 802855360), (5, 642284288), (8, 401427680), (10, 321142144), (16, 200713840), (20, 160571072), (31, 103594240), (32, 100356920), (40, 80285536), (62, 51797120), (64, 50178460), (80, 40142768), (124, 25898560), (128, 25089230), (155, 20718848), (160, 20071384), (248, 12949280), (256, 12544615), (310, 10359424), (320, 10035692), (496, 6474640), (620, 5179712), (640, 5017846), (992, 3237320), (1240, 2589856), (1280, 2508923), (1984, 1618660), (2480, 1294928), (3968, 809330), (4960, 647464), (7936, 404665), (9920, 323732), (19840, 161866), (39680, 80933)]