40392560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38839}}^1$

素因数の和:38865

約数の個数: 40

約数和(自身を含む): 101139360

約数和(自身を除く): 60746800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38839, 77678, 155356, 194195, 310712, 388390, 504907, 621424, 776780, 1009814, 1553560, 2019628, 2524535, 3107120, 4039256, 5049070, 8078512, 10098140, 20196280, 40392560]

約数ペア:

[(1, 40392560), (2, 20196280), (4, 10098140), (5, 8078512), (8, 5049070), (10, 4039256), (13, 3107120), (16, 2524535), (20, 2019628), (26, 1553560), (40, 1009814), (52, 776780), (65, 621424), (80, 504907), (104, 388390), (130, 310712), (208, 194195), (260, 155356), (520, 77678), (1040, 38839)]