12730090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 23904720

約数和(自身を除く): 11174630

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 509, 610, 1018, 2501, 2545, 5002, 5090, 12505, 20869, 25010, 31049, 41738, 62098, 104345, 155245, 208690, 310490, 1273009, 2546018, 6365045, 12730090]

約数ペア:

[(1, 12730090), (2, 6365045), (5, 2546018), (10, 1273009), (41, 310490), (61, 208690), (82, 155245), (122, 104345), (205, 62098), (305, 41738), (410, 31049), (509, 25010), (610, 20869), (1018, 12505), (2501, 5090), (2545, 5002)]