64205420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4813}}^1$

素因数の和:4874

約数の個数: 48

約数和(自身を含む): 145575360

約数和(自身を除く): 81369940

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2668, 3335, 4813, 6670, 9626, 13340, 19252, 24065, 48130, 96260, 110699, 139577, 221398, 279154, 442796, 553495, 558308, 697885, 1106990, 1395770, 2213980, 2791540, 3210271, 6420542, 12841084, 16051355, 32102710, 64205420]

約数ペア:

[(1, 64205420), (2, 32102710), (4, 16051355), (5, 12841084), (10, 6420542), (20, 3210271), (23, 2791540), (29, 2213980), (46, 1395770), (58, 1106990), (92, 697885), (115, 558308), (116, 553495), (145, 442796), (230, 279154), (290, 221398), (460, 139577), (580, 110699), (667, 96260), (1334, 48130), (2668, 24065), (3335, 19252), (4813, 13340), (6670, 9626)]