15605090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 29445120

約数和(自身を除く): 13840030

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 709, 710, 1418, 2201, 3545, 4402, 7090, 11005, 21979, 22010, 43958, 50339, 100678, 109895, 219790, 251695, 503390, 1560509, 3121018, 7802545, 15605090]

約数ペア:

[(1, 15605090), (2, 7802545), (5, 3121018), (10, 1560509), (31, 503390), (62, 251695), (71, 219790), (142, 109895), (155, 100678), (310, 50339), (355, 43958), (709, 22010), (710, 21979), (1418, 11005), (2201, 7090), (3545, 4402)]