80090128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 164909088

約数和(自身を除く): 84818960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 523, 563, 1046, 1126, 2092, 2252, 4184, 4504, 8368, 8891, 9008, 9571, 17782, 19142, 35564, 38284, 71128, 76568, 142256, 153136, 294449, 588898, 1177796, 2355592, 4711184, 5005633, 10011266, 20022532, 40045064, 80090128]

約数ペア:

[(1, 80090128), (2, 40045064), (4, 20022532), (8, 10011266), (16, 5005633), (17, 4711184), (34, 2355592), (68, 1177796), (136, 588898), (272, 294449), (523, 153136), (563, 142256), (1046, 76568), (1126, 71128), (2092, 38284), (2252, 35564), (4184, 19142), (4504, 17782), (8368, 9571), (8891, 9008)]