8537620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4720

約数の個数: 48

約数和(自身を含む): 22071168

約数和(自身を除く): 13533548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4691, 9382, 18764, 23455, 32837, 46910, 60983, 65674, 93820, 121966, 131348, 164185, 243932, 304915, 328370, 426881, 609830, 656740, 853762, 1219660, 1707524, 2134405, 4268810, 8537620]

約数ペア:

[(1, 8537620), (2, 4268810), (4, 2134405), (5, 1707524), (7, 1219660), (10, 853762), (13, 656740), (14, 609830), (20, 426881), (26, 328370), (28, 304915), (35, 243932), (52, 164185), (65, 131348), (70, 121966), (91, 93820), (130, 65674), (140, 60983), (182, 46910), (260, 32837), (364, 23455), (455, 18764), (910, 9382), (1820, 4691)]