73405480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25847}}^1$

素因数の和:25929

約数の個数: 32

約数和(自身を含む): 167495040

約数和(自身を除く): 94089560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25847, 51694, 103388, 129235, 206776, 258470, 516940, 1033880, 1835137, 3670274, 7340548, 9175685, 14681096, 18351370, 36702740, 73405480]

約数ペア:

[(1, 73405480), (2, 36702740), (4, 18351370), (5, 14681096), (8, 9175685), (10, 7340548), (20, 3670274), (40, 1835137), (71, 1033880), (142, 516940), (284, 258470), (355, 206776), (568, 129235), (710, 103388), (1420, 51694), (2840, 25847)]