15320240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14731}}^1$

素因数の和:14757

約数の個数: 40

約数和(自身を含む): 38362128

約数和(自身を除く): 23041888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 14731, 29462, 58924, 73655, 117848, 147310, 191503, 235696, 294620, 383006, 589240, 766012, 957515, 1178480, 1532024, 1915030, 3064048, 3830060, 7660120, 15320240]

約数ペア:

[(1, 15320240), (2, 7660120), (4, 3830060), (5, 3064048), (8, 1915030), (10, 1532024), (13, 1178480), (16, 957515), (20, 766012), (26, 589240), (40, 383006), (52, 294620), (65, 235696), (80, 191503), (104, 147310), (130, 117848), (208, 73655), (260, 58924), (520, 29462), (1040, 14731)]