15979760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10513}}^1$

素因数の和:10545

約数の個数: 40

約数和(自身を含む): 39112080

約数和(自身を除く): 23132320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10513, 21026, 42052, 52565, 84104, 105130, 168208, 199747, 210260, 399494, 420520, 798988, 841040, 998735, 1597976, 1997470, 3195952, 3994940, 7989880, 15979760]

約数ペア:

[(1, 15979760), (2, 7989880), (4, 3994940), (5, 3195952), (8, 1997470), (10, 1597976), (16, 998735), (19, 841040), (20, 798988), (38, 420520), (40, 399494), (76, 210260), (80, 199747), (95, 168208), (152, 105130), (190, 84104), (304, 52565), (380, 42052), (760, 21026), (1520, 10513)]