8396260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 18168948

約数和(自身を除く): 9772688

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 890, 1060, 1780, 4717, 7921, 9434, 15842, 18868, 23585, 31684, 39605, 47170, 79210, 94340, 158420, 419813, 839626, 1679252, 2099065, 4198130, 8396260]

約数ペア:

[(1, 8396260), (2, 4198130), (4, 2099065), (5, 1679252), (10, 839626), (20, 419813), (53, 158420), (89, 94340), (106, 79210), (178, 47170), (212, 39605), (265, 31684), (356, 23585), (445, 18868), (530, 15842), (890, 9434), (1060, 7921), (1780, 4717)]