8045784020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12977071}}^1$

素因数の和:12977111

約数の個数: 24

約数和(自身を含む): 17441184768

約数和(自身を除く): 9395400748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12977071, 25954142, 51908284, 64885355, 129770710, 259541420, 402289201, 804578402, 1609156804, 2011446005, 4022892010, 8045784020]

約数ペア:

[(1, 8045784020), (2, 4022892010), (4, 2011446005), (5, 1609156804), (10, 804578402), (20, 402289201), (31, 259541420), (62, 129770710), (124, 64885355), (155, 51908284), (310, 25954142), (620, 12977071)]