669026800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{128659}}^1$

素因数の和:128690

約数の個数: 60

約数和(自身を含む): 1730991640

約数和(自身を除く): 1061964840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 128659, 257318, 514636, 643295, 1029272, 1286590, 1672567, 2058544, 2573180, 3216475, 3345134, 5146360, 6432950, 6690268, 8362835, 10292720, 12865900, 13380536, 16725670, 25731800, 26761072, 33451340, 41814175, 51463600, 66902680, 83628350, 133805360, 167256700, 334513400, 669026800]

約数ペア:

[(1, 669026800), (2, 334513400), (4, 167256700), (5, 133805360), (8, 83628350), (10, 66902680), (13, 51463600), (16, 41814175), (20, 33451340), (25, 26761072), (26, 25731800), (40, 16725670), (50, 13380536), (52, 12865900), (65, 10292720), (80, 8362835), (100, 6690268), (104, 6432950), (130, 5146360), (200, 3345134), (208, 3216475), (260, 2573180), (325, 2058544), (400, 1672567), (520, 1286590), (650, 1029272), (1040, 643295), (1300, 514636), (2600, 257318), (5200, 128659)]