83955820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 194609520

約数和(自身を除く): 110653700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 169, 236, 260, 295, 338, 421, 590, 676, 767, 842, 845, 1180, 1534, 1684, 1690, 2105, 3068, 3380, 3835, 4210, 5473, 7670, 8420, 9971, 10946, 15340, 19942, 21892, 24839, 27365, 39884, 49678, 49855, 54730, 71149, 99356, 99710, 109460, 124195, 142298, 199420, 248390, 284596, 322907, 355745, 496780, 645814, 711490, 1291628, 1422980, 1614535, 3229070, 4197791, 6458140, 8395582, 16791164, 20988955, 41977910, 83955820]

約数ペア:

[(1, 83955820), (2, 41977910), (4, 20988955), (5, 16791164), (10, 8395582), (13, 6458140), (20, 4197791), (26, 3229070), (52, 1614535), (59, 1422980), (65, 1291628), (118, 711490), (130, 645814), (169, 496780), (236, 355745), (260, 322907), (295, 284596), (338, 248390), (421, 199420), (590, 142298), (676, 124195), (767, 109460), (842, 99710), (845, 99356), (1180, 71149), (1534, 54730), (1684, 49855), (1690, 49678), (2105, 39884), (3068, 27365), (3380, 24839), (3835, 21892), (4210, 19942), (5473, 15340), (7670, 10946), (8420, 9971)]