64645640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2486

約数の個数: 64

約数和(自身を含む): 157075200

約数和(自身を除く): 92429560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1334, 2423, 2668, 3335, 4846, 5336, 6670, 9692, 12115, 13340, 19384, 24230, 26680, 48460, 55729, 70267, 96920, 111458, 140534, 222916, 278645, 281068, 351335, 445832, 557290, 562136, 702670, 1114580, 1405340, 1616141, 2229160, 2810680, 3232282, 6464564, 8080705, 12929128, 16161410, 32322820, 64645640]

約数ペア:

[(1, 64645640), (2, 32322820), (4, 16161410), (5, 12929128), (8, 8080705), (10, 6464564), (20, 3232282), (23, 2810680), (29, 2229160), (40, 1616141), (46, 1405340), (58, 1114580), (92, 702670), (115, 562136), (116, 557290), (145, 445832), (184, 351335), (230, 281068), (232, 278645), (290, 222916), (460, 140534), (580, 111458), (667, 96920), (920, 70267), (1160, 55729), (1334, 48460), (2423, 26680), (2668, 24230), (3335, 19384), (4846, 13340), (5336, 12115), (6670, 9692)]