63686740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 144626832

約数和(自身を除く): 80940092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 617, 794, 1234, 1588, 1985, 2468, 3085, 3970, 5161, 6170, 7940, 8021, 10322, 12340, 16042, 20644, 25805, 32084, 40105, 51610, 80210, 103220, 160420, 244949, 489898, 979796, 1224745, 2449490, 3184337, 4898980, 6368674, 12737348, 15921685, 31843370, 63686740]

約数ペア:

[(1, 63686740), (2, 31843370), (4, 15921685), (5, 12737348), (10, 6368674), (13, 4898980), (20, 3184337), (26, 2449490), (52, 1224745), (65, 979796), (130, 489898), (260, 244949), (397, 160420), (617, 103220), (794, 80210), (1234, 51610), (1588, 40105), (1985, 32084), (2468, 25805), (3085, 20644), (3970, 16042), (5161, 12340), (6170, 10322), (7940, 8021)]