157294520

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{12809}}^1$

素因数の和:13127

約数の個数: 32

約数和(自身を含む): 355093200

約数和(自身を除く): 197798680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 12809, 25618, 51236, 64045, 102472, 128090, 256180, 512360, 3932363, 7864726, 15729452, 19661815, 31458904, 39323630, 78647260, 157294520]

約数ペア:

[(1, 157294520), (2, 78647260), (4, 39323630), (5, 31458904), (8, 19661815), (10, 15729452), (20, 7864726), (40, 3932363), (307, 512360), (614, 256180), (1228, 128090), (1535, 102472), (2456, 64045), (3070, 51236), (6140, 25618), (12280, 12809)]