78537280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14437}}^1$

素因数の和:14471

約数の個数: 56

約数和(自身を含む): 198031608

約数和(自身を除く): 119494328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14437, 28874, 57748, 72185, 115496, 144370, 230992, 245429, 288740, 461984, 490858, 577480, 923968, 981716, 1154960, 1227145, 1963432, 2309920, 2454290, 3926864, 4619840, 4908580, 7853728, 9817160, 15707456, 19634320, 39268640, 78537280]

約数ペア:

[(1, 78537280), (2, 39268640), (4, 19634320), (5, 15707456), (8, 9817160), (10, 7853728), (16, 4908580), (17, 4619840), (20, 3926864), (32, 2454290), (34, 2309920), (40, 1963432), (64, 1227145), (68, 1154960), (80, 981716), (85, 923968), (136, 577480), (160, 490858), (170, 461984), (272, 288740), (320, 245429), (340, 230992), (544, 144370), (680, 115496), (1088, 72185), (1360, 57748), (2720, 28874), (5440, 14437)]