17772640

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 24629888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 983, 1130, 1808, 1966, 2260, 3616, 3932, 4520, 4915, 7864, 9040, 9830, 15728, 18080, 19660, 31456, 39320, 78640, 111079, 157280, 222158, 444316, 555395, 888632, 1110790, 1777264, 2221580, 3554528, 4443160, 8886320, 17772640]

約数ペア:

[(1, 17772640), (2, 8886320), (4, 4443160), (5, 3554528), (8, 2221580), (10, 1777264), (16, 1110790), (20, 888632), (32, 555395), (40, 444316), (80, 222158), (113, 157280), (160, 111079), (226, 78640), (452, 39320), (565, 31456), (904, 19660), (983, 18080), (1130, 15728), (1808, 9830), (1966, 9040), (2260, 7864), (3616, 4915), (3932, 4520)]