85548280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 197627040

約数和(自身を除く): 112078760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 137, 233, 268, 274, 335, 466, 536, 548, 670, 685, 932, 1096, 1165, 1340, 1370, 1864, 2330, 2680, 2740, 4660, 5480, 9179, 9320, 15611, 18358, 31222, 31921, 36716, 45895, 62444, 63842, 73432, 78055, 91790, 124888, 127684, 156110, 159605, 183580, 255368, 312220, 319210, 367160, 624440, 638420, 1276840, 2138707, 4277414, 8554828, 10693535, 17109656, 21387070, 42774140, 85548280]

約数ペア:

[(1, 85548280), (2, 42774140), (4, 21387070), (5, 17109656), (8, 10693535), (10, 8554828), (20, 4277414), (40, 2138707), (67, 1276840), (134, 638420), (137, 624440), (233, 367160), (268, 319210), (274, 312220), (335, 255368), (466, 183580), (536, 159605), (548, 156110), (670, 127684), (685, 124888), (932, 91790), (1096, 78055), (1165, 73432), (1340, 63842), (1370, 62444), (1864, 45895), (2330, 36716), (2680, 31921), (2740, 31222), (4660, 18358), (5480, 15611), (9179, 9320)]