128212640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47137}}^1$

素因数の和:47169

約数の個数: 48

約数和(自身を含む): 320726952

約数和(自身を除く): 192514312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 47137, 94274, 188548, 235685, 377096, 471370, 754192, 801329, 942740, 1508384, 1602658, 1885480, 3205316, 3770960, 4006645, 6410632, 7541920, 8013290, 12821264, 16026580, 25642528, 32053160, 64106320, 128212640]

約数ペア:

[(1, 128212640), (2, 64106320), (4, 32053160), (5, 25642528), (8, 16026580), (10, 12821264), (16, 8013290), (17, 7541920), (20, 6410632), (32, 4006645), (34, 3770960), (40, 3205316), (68, 1885480), (80, 1602658), (85, 1508384), (136, 942740), (160, 801329), (170, 754192), (272, 471370), (340, 377096), (544, 235685), (680, 188548), (1360, 94274), (2720, 47137)]