80463890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1643

約数の個数: 64

約数和(自身を含む): 172440576

約数和(自身を除く): 91976686

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1495, 1583, 1955, 2210, 2990, 3166, 3910, 5083, 7915, 10166, 15830, 20579, 25415, 26911, 36409, 41158, 50830, 53822, 72818, 102895, 134555, 182045, 205790, 269110, 349843, 364090, 473317, 618953, 699686, 946634, 1237906, 1749215, 2366585, 3094765, 3498430, 4733170, 6189530, 8046389, 16092778, 40231945, 80463890]

約数ペア:

[(1, 80463890), (2, 40231945), (5, 16092778), (10, 8046389), (13, 6189530), (17, 4733170), (23, 3498430), (26, 3094765), (34, 2366585), (46, 1749215), (65, 1237906), (85, 946634), (115, 699686), (130, 618953), (170, 473317), (221, 364090), (230, 349843), (299, 269110), (391, 205790), (442, 182045), (598, 134555), (782, 102895), (1105, 72818), (1495, 53822), (1583, 50830), (1955, 41158), (2210, 36409), (2990, 26911), (3166, 25415), (3910, 20579), (5083, 15830), (7915, 10166)]