16792520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 38933460

約数和(自身を除く): 22140940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1780, 2120, 3560, 4717, 7921, 9434, 15842, 18868, 23585, 31684, 37736, 39605, 47170, 63368, 79210, 94340, 158420, 188680, 316840, 419813, 839626, 1679252, 2099065, 3358504, 4198130, 8396260, 16792520]

約数ペア:

[(1, 16792520), (2, 8396260), (4, 4198130), (5, 3358504), (8, 2099065), (10, 1679252), (20, 839626), (40, 419813), (53, 316840), (89, 188680), (106, 158420), (178, 94340), (212, 79210), (265, 63368), (356, 47170), (424, 39605), (445, 37736), (530, 31684), (712, 23585), (890, 18868), (1060, 15842), (1780, 9434), (2120, 7921), (3560, 4717)]