87129890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{110291}}^1$

素因数の和:110377

約数の個数: 16

約数和(自身を含む): 158820480

約数和(自身を除く): 71690590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 110291, 220582, 551455, 1102910, 8712989, 17425978, 43564945, 87129890]

約数ペア:

[(1, 87129890), (2, 43564945), (5, 17425978), (10, 8712989), (79, 1102910), (158, 551455), (395, 220582), (790, 110291)]