49790000

素因数分解:

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

素因数の和:424

約数の個数: 100

約数和(自身を含む): 130158336

約数和(自身を除く): 80368336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 383, 400, 500, 520, 625, 650, 766, 1000, 1040, 1250, 1300, 1532, 1625, 1915, 2000, 2500, 2600, 3064, 3250, 3830, 4979, 5000, 5200, 6128, 6500, 7660, 8125, 9575, 9958, 10000, 13000, 15320, 16250, 19150, 19916, 24895, 26000, 30640, 32500, 38300, 39832, 47875, 49790, 65000, 76600, 79664, 95750, 99580, 124475, 130000, 153200, 191500, 199160, 239375, 248950, 383000, 398320, 478750, 497900, 622375, 766000, 957500, 995800, 1244750, 1915000, 1991600, 2489500, 3111875, 3830000, 4979000, 6223750, 9958000, 12447500, 24895000, 49790000]

約数ペア:

[(1, 49790000), (2, 24895000), (4, 12447500), (5, 9958000), (8, 6223750), (10, 4979000), (13, 3830000), (16, 3111875), (20, 2489500), (25, 1991600), (26, 1915000), (40, 1244750), (50, 995800), (52, 957500), (65, 766000), (80, 622375), (100, 497900), (104, 478750), (125, 398320), (130, 383000), (200, 248950), (208, 239375), (250, 199160), (260, 191500), (325, 153200), (383, 130000), (400, 124475), (500, 99580), (520, 95750), (625, 79664), (650, 76600), (766, 65000), (1000, 49790), (1040, 47875), (1250, 39832), (1300, 38300), (1532, 32500), (1625, 30640), (1915, 26000), (2000, 24895), (2500, 19916), (2600, 19150), (3064, 16250), (3250, 15320), (3830, 13000), (4979, 10000), (5000, 9958), (5200, 9575), (6128, 8125), (6500, 7660)]