25890800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 90

約数和(自身を含む): 67531392

約数和(自身を除く): 41640592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 383, 400, 520, 650, 676, 766, 845, 1040, 1300, 1352, 1532, 1690, 1915, 2600, 2704, 3064, 3380, 3830, 4225, 4979, 5200, 6128, 6760, 7660, 8450, 9575, 9958, 13520, 15320, 16900, 19150, 19916, 24895, 30640, 33800, 38300, 39832, 49790, 64727, 67600, 76600, 79664, 99580, 124475, 129454, 153200, 199160, 248950, 258908, 323635, 398320, 497900, 517816, 647270, 995800, 1035632, 1294540, 1618175, 1991600, 2589080, 3236350, 5178160, 6472700, 12945400, 25890800]

約数ペア:

[(1, 25890800), (2, 12945400), (4, 6472700), (5, 5178160), (8, 3236350), (10, 2589080), (13, 1991600), (16, 1618175), (20, 1294540), (25, 1035632), (26, 995800), (40, 647270), (50, 517816), (52, 497900), (65, 398320), (80, 323635), (100, 258908), (104, 248950), (130, 199160), (169, 153200), (200, 129454), (208, 124475), (260, 99580), (325, 79664), (338, 76600), (383, 67600), (400, 64727), (520, 49790), (650, 39832), (676, 38300), (766, 33800), (845, 30640), (1040, 24895), (1300, 19916), (1352, 19150), (1532, 16900), (1690, 15320), (1915, 13520), (2600, 9958), (2704, 9575), (3064, 8450), (3380, 7660), (3830, 6760), (4225, 6128), (4979, 5200)]