803920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 2015496

約数和(自身を除く): 1211576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 773, 1040, 1546, 3092, 3865, 6184, 7730, 10049, 12368, 15460, 20098, 30920, 40196, 50245, 61840, 80392, 100490, 160784, 200980, 401960, 803920]

約数ペア:

[(1, 803920), (2, 401960), (4, 200980), (5, 160784), (8, 100490), (10, 80392), (13, 61840), (16, 50245), (20, 40196), (26, 30920), (40, 20098), (52, 15460), (65, 12368), (80, 10049), (104, 7730), (130, 6184), (208, 3865), (260, 3092), (520, 1546), (773, 1040)]