72831460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280121}}^1$

素因数の和:280143

約数の個数: 24

約数和(自身を含む): 164711736

約数和(自身を除く): 91880276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280121, 560242, 1120484, 1400605, 2801210, 3641573, 5602420, 7283146, 14566292, 18207865, 36415730, 72831460]

約数ペア:

[(1, 72831460), (2, 36415730), (4, 18207865), (5, 14566292), (10, 7283146), (13, 5602420), (20, 3641573), (26, 2801210), (52, 1400605), (65, 1120484), (130, 560242), (260, 280121)]