97880560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71971}}^1$

素因数の和:72001

約数の個数: 40

約数和(自身を含む): 240962256

約数和(自身を除く): 143081696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 71971, 143942, 287884, 359855, 575768, 719710, 1151536, 1223507, 1439420, 2447014, 2878840, 4894028, 5757680, 6117535, 9788056, 12235070, 19576112, 24470140, 48940280, 97880560]

約数ペア:

[(1, 97880560), (2, 48940280), (4, 24470140), (5, 19576112), (8, 12235070), (10, 9788056), (16, 6117535), (17, 5757680), (20, 4894028), (34, 2878840), (40, 2447014), (68, 1439420), (80, 1223507), (85, 1151536), (136, 719710), (170, 575768), (272, 359855), (340, 287884), (680, 143942), (1360, 71971)]