64810010

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{10271}}^1$

素因数の和:10909

約数の個数: 16

約数和(自身を含む): 116854272

約数和(自身を除く): 52044262

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 10271, 20542, 51355, 102710, 6481001, 12962002, 32405005, 64810010]

約数ペア:

[(1, 64810010), (2, 32405005), (5, 12962002), (10, 6481001), (631, 102710), (1262, 51355), (3155, 20542), (6310, 10271)]