156828040

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4013}}^1$

素因数の和:5001

約数の個数: 32

約数和(自身を含む): 353312280

約数和(自身を除く): 196484240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4013, 4885, 7816, 8026, 9770, 16052, 19540, 20065, 32104, 39080, 40130, 80260, 160520, 3920701, 7841402, 15682804, 19603505, 31365608, 39207010, 78414020, 156828040]

約数ペア:

[(1, 156828040), (2, 78414020), (4, 39207010), (5, 31365608), (8, 19603505), (10, 15682804), (20, 7841402), (40, 3920701), (977, 160520), (1954, 80260), (3908, 40130), (4013, 39080), (4885, 32104), (7816, 20065), (8026, 19540), (9770, 16052)]