90703520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18287}}^1$

素因数の和:18333

約数の個数: 48

約数和(自身を含む): 221211648

約数和(自身を除く): 130508128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18287, 36574, 73148, 91435, 146296, 182870, 292592, 365740, 566897, 585184, 731480, 1133794, 1462960, 2267588, 2834485, 2925920, 4535176, 5668970, 9070352, 11337940, 18140704, 22675880, 45351760, 90703520]

約数ペア:

[(1, 90703520), (2, 45351760), (4, 22675880), (5, 18140704), (8, 11337940), (10, 9070352), (16, 5668970), (20, 4535176), (31, 2925920), (32, 2834485), (40, 2267588), (62, 1462960), (80, 1133794), (124, 731480), (155, 585184), (160, 566897), (248, 365740), (310, 292592), (496, 182870), (620, 146296), (992, 91435), (1240, 73148), (2480, 36574), (4960, 18287)]