55215680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1021}}^1$

素因数の和:1064

約数の個数: 84

約数和(自身を含む): 142513812

約数和(自身を除く): 87298132

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1021, 1040, 1352, 1690, 2042, 2080, 2704, 3380, 4084, 4160, 5105, 5408, 6760, 8168, 10210, 10816, 13273, 13520, 16336, 20420, 26546, 27040, 32672, 40840, 53092, 54080, 65344, 66365, 81680, 106184, 132730, 163360, 172549, 212368, 265460, 326720, 345098, 424736, 530920, 690196, 849472, 862745, 1061840, 1380392, 1725490, 2123680, 2760784, 3450980, 4247360, 5521568, 6901960, 11043136, 13803920, 27607840, 55215680]

約数ペア:

[(1, 55215680), (2, 27607840), (4, 13803920), (5, 11043136), (8, 6901960), (10, 5521568), (13, 4247360), (16, 3450980), (20, 2760784), (26, 2123680), (32, 1725490), (40, 1380392), (52, 1061840), (64, 862745), (65, 849472), (80, 690196), (104, 530920), (130, 424736), (160, 345098), (169, 326720), (208, 265460), (260, 212368), (320, 172549), (338, 163360), (416, 132730), (520, 106184), (676, 81680), (832, 66365), (845, 65344), (1021, 54080), (1040, 53092), (1352, 40840), (1690, 32672), (2042, 27040), (2080, 26546), (2704, 20420), (3380, 16336), (4084, 13520), (4160, 13273), (5105, 10816), (5408, 10210), (6760, 8168)]