28340147120

素因数分解:

$2^4\times 5^1\times {\mathrm{354251839}}^1$

素因数の和:354251852

約数の個数: 20

約数和(自身を含む): 65890842240

約数和(自身を除く): 37550695120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354251839, 708503678, 1417007356, 1771259195, 2834014712, 3542518390, 5668029424, 7085036780, 14170073560, 28340147120]

約数ペア:

[(1, 28340147120), (2, 14170073560), (4, 7085036780), (5, 5668029424), (8, 3542518390), (10, 2834014712), (16, 1771259195), (20, 1417007356), (40, 708503678), (80, 354251839)]