80530840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 196227360

約数和(自身を除く): 115696520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 617, 1004, 1234, 1255, 2008, 2468, 2510, 3085, 3263, 4936, 5020, 6170, 6526, 8021, 10040, 12340, 13052, 16042, 16315, 24680, 26104, 32084, 32630, 40105, 64168, 65260, 80210, 130520, 154867, 160420, 309734, 320840, 619468, 774335, 1238936, 1548670, 2013271, 3097340, 4026542, 6194680, 8053084, 10066355, 16106168, 20132710, 40265420, 80530840]

約数ペア:

[(1, 80530840), (2, 40265420), (4, 20132710), (5, 16106168), (8, 10066355), (10, 8053084), (13, 6194680), (20, 4026542), (26, 3097340), (40, 2013271), (52, 1548670), (65, 1238936), (104, 774335), (130, 619468), (251, 320840), (260, 309734), (502, 160420), (520, 154867), (617, 130520), (1004, 80210), (1234, 65260), (1255, 64168), (2008, 40105), (2468, 32630), (2510, 32084), (3085, 26104), (3263, 24680), (4936, 16315), (5020, 16042), (6170, 13052), (6526, 12340), (8021, 10040)]