40528240

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3989}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 94993920

約数和(自身を除く): 54465680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 3989, 5080, 7978, 10160, 15956, 19945, 31912, 39890, 63824, 79780, 159560, 319120, 506603, 1013206, 2026412, 2533015, 4052824, 5066030, 8105648, 10132060, 20264120, 40528240]

約数ペア:

[(1, 40528240), (2, 20264120), (4, 10132060), (5, 8105648), (8, 5066030), (10, 4052824), (16, 2533015), (20, 2026412), (40, 1013206), (80, 506603), (127, 319120), (254, 159560), (508, 79780), (635, 63824), (1016, 39890), (1270, 31912), (2032, 19945), (2540, 15956), (3989, 10160), (5080, 7978)]