15870520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23339}}^1$

素因数の和:23367

約数の個数: 32

約数和(自身を含む): 37810800

約数和(自身を除く): 21940280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23339, 46678, 93356, 116695, 186712, 233390, 396763, 466780, 793526, 933560, 1587052, 1983815, 3174104, 3967630, 7935260, 15870520]

約数ペア:

[(1, 15870520), (2, 7935260), (4, 3967630), (5, 3174104), (8, 1983815), (10, 1587052), (17, 933560), (20, 793526), (34, 466780), (40, 396763), (68, 233390), (85, 186712), (136, 116695), (170, 93356), (340, 46678), (680, 23339)]