15581960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4931}}^1$

素因数の和:5021

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 19928440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4931, 9862, 19724, 24655, 39448, 49310, 98620, 197240, 389549, 779098, 1558196, 1947745, 3116392, 3895490, 7790980, 15581960]

約数ペア:

[(1, 15581960), (2, 7790980), (4, 3895490), (5, 3116392), (8, 1947745), (10, 1558196), (20, 779098), (40, 389549), (79, 197240), (158, 98620), (316, 49310), (395, 39448), (632, 24655), (790, 19724), (1580, 9862), (3160, 4931)]