8354920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 21928320

約数和(自身を除く): 13573400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 563, 742, 1060, 1126, 1484, 1855, 2120, 2252, 2815, 2968, 3710, 3941, 4504, 5630, 7420, 7882, 11260, 14840, 15764, 19705, 22520, 29839, 31528, 39410, 59678, 78820, 119356, 149195, 157640, 208873, 238712, 298390, 417746, 596780, 835492, 1044365, 1193560, 1670984, 2088730, 4177460, 8354920]

約数ペア:

[(1, 8354920), (2, 4177460), (4, 2088730), (5, 1670984), (7, 1193560), (8, 1044365), (10, 835492), (14, 596780), (20, 417746), (28, 298390), (35, 238712), (40, 208873), (53, 157640), (56, 149195), (70, 119356), (106, 78820), (140, 59678), (212, 39410), (265, 31528), (280, 29839), (371, 22520), (424, 19705), (530, 15764), (563, 14840), (742, 11260), (1060, 7882), (1126, 7420), (1484, 5630), (1855, 4504), (2120, 3941), (2252, 3710), (2815, 2968)]