127589120

素因数分解:

$2^8\times 5^1\times {\mathrm{99679}}^1$

素因数の和:99700

約数の個数: 36

約数和(自身を含む): 305618880

約数和(自身を除く): 178029760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 99679, 199358, 398716, 498395, 797432, 996790, 1594864, 1993580, 3189728, 3987160, 6379456, 7974320, 12758912, 15948640, 25517824, 31897280, 63794560, 127589120]

約数ペア:

[(1, 127589120), (2, 63794560), (4, 31897280), (5, 25517824), (8, 15948640), (10, 12758912), (16, 7974320), (20, 6379456), (32, 3987160), (40, 3189728), (64, 1993580), (80, 1594864), (128, 996790), (160, 797432), (256, 498395), (320, 398716), (640, 199358), (1280, 99679)]