42642680

素因数分解:

$2^3\times 5^1\times {\mathrm{1066067}}^1$

素因数の和:1066078

約数の個数: 16

約数和(自身を含む): 95946120

約数和(自身を除く): 53303440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1066067, 2132134, 4264268, 5330335, 8528536, 10660670, 21321340, 42642680]

約数ペア:

[(1, 42642680), (2, 21321340), (4, 10660670), (5, 8528536), (8, 5330335), (10, 4264268), (20, 2132134), (40, 1066067)]