51781600

素因数分解:

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

素因数の和:429

約数の個数: 108

約数和(自身を含む): 137241216

約数和(自身を除く): 85459616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 169, 200, 208, 260, 325, 338, 383, 400, 416, 520, 650, 676, 766, 800, 845, 1040, 1300, 1352, 1532, 1690, 1915, 2080, 2600, 2704, 3064, 3380, 3830, 4225, 4979, 5200, 5408, 6128, 6760, 7660, 8450, 9575, 9958, 10400, 12256, 13520, 15320, 16900, 19150, 19916, 24895, 27040, 30640, 33800, 38300, 39832, 49790, 61280, 64727, 67600, 76600, 79664, 99580, 124475, 129454, 135200, 153200, 159328, 199160, 248950, 258908, 306400, 323635, 398320, 497900, 517816, 647270, 796640, 995800, 1035632, 1294540, 1618175, 1991600, 2071264, 2589080, 3236350, 3983200, 5178160, 6472700, 10356320, 12945400, 25890800, 51781600]

約数ペア:

[(1, 51781600), (2, 25890800), (4, 12945400), (5, 10356320), (8, 6472700), (10, 5178160), (13, 3983200), (16, 3236350), (20, 2589080), (25, 2071264), (26, 1991600), (32, 1618175), (40, 1294540), (50, 1035632), (52, 995800), (65, 796640), (80, 647270), (100, 517816), (104, 497900), (130, 398320), (160, 323635), (169, 306400), (200, 258908), (208, 248950), (260, 199160), (325, 159328), (338, 153200), (383, 135200), (400, 129454), (416, 124475), (520, 99580), (650, 79664), (676, 76600), (766, 67600), (800, 64727), (845, 61280), (1040, 49790), (1300, 39832), (1352, 38300), (1532, 33800), (1690, 30640), (1915, 27040), (2080, 24895), (2600, 19916), (2704, 19150), (3064, 16900), (3380, 15320), (3830, 13520), (4225, 12256), (4979, 10400), (5200, 9958), (5408, 9575), (6128, 8450), (6760, 7660)]