55740280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81971}}^1$

素因数の和:81999

約数の個数: 32

約数和(自身を含む): 132794640

約数和(自身を除く): 77054360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81971, 163942, 327884, 409855, 655768, 819710, 1393507, 1639420, 2787014, 3278840, 5574028, 6967535, 11148056, 13935070, 27870140, 55740280]

約数ペア:

[(1, 55740280), (2, 27870140), (4, 13935070), (5, 11148056), (8, 6967535), (10, 5574028), (17, 3278840), (20, 2787014), (34, 1639420), (40, 1393507), (68, 819710), (85, 655768), (136, 409855), (170, 327884), (340, 163942), (680, 81971)]