85850090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 157455360

約数和(自身を除く): 71605270

約数列:

[1, 2, 5, 10, 79, 158, 271, 395, 401, 542, 790, 802, 1355, 2005, 2710, 4010, 21409, 31679, 42818, 63358, 107045, 108671, 158395, 214090, 217342, 316790, 543355, 1086710, 8585009, 17170018, 42925045, 85850090]

約数ペア:

[(1, 85850090), (2, 42925045), (5, 17170018), (10, 8585009), (79, 1086710), (158, 543355), (271, 316790), (395, 217342), (401, 214090), (542, 158395), (790, 108671), (802, 107045), (1355, 63358), (2005, 42818), (2710, 31679), (4010, 21409)]