25656800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2500

約数の個数: 72

約数和(自身を含む): 67480056

約数和(自身を除く): 41823256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2467, 2600, 4934, 5200, 9868, 10400, 12335, 19736, 24670, 32071, 39472, 49340, 61675, 64142, 78944, 98680, 123350, 128284, 160355, 197360, 246700, 256568, 320710, 394720, 493400, 513136, 641420, 801775, 986800, 1026272, 1282840, 1603550, 1973600, 2565680, 3207100, 5131360, 6414200, 12828400, 25656800]

約数ペア:

[(1, 25656800), (2, 12828400), (4, 6414200), (5, 5131360), (8, 3207100), (10, 2565680), (13, 1973600), (16, 1603550), (20, 1282840), (25, 1026272), (26, 986800), (32, 801775), (40, 641420), (50, 513136), (52, 493400), (65, 394720), (80, 320710), (100, 256568), (104, 246700), (130, 197360), (160, 160355), (200, 128284), (208, 123350), (260, 98680), (325, 78944), (400, 64142), (416, 61675), (520, 49340), (650, 39472), (800, 32071), (1040, 24670), (1300, 19736), (2080, 12335), (2467, 10400), (2600, 9868), (4934, 5200)]