16709840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 45318528

約数和(自身を除く): 28608688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 563, 742, 848, 1060, 1126, 1484, 1855, 2120, 2252, 2815, 2968, 3710, 3941, 4240, 4504, 5630, 5936, 7420, 7882, 9008, 11260, 14840, 15764, 19705, 22520, 29680, 29839, 31528, 39410, 45040, 59678, 63056, 78820, 119356, 149195, 157640, 208873, 238712, 298390, 315280, 417746, 477424, 596780, 835492, 1044365, 1193560, 1670984, 2088730, 2387120, 3341968, 4177460, 8354920, 16709840]

約数ペア:

[(1, 16709840), (2, 8354920), (4, 4177460), (5, 3341968), (7, 2387120), (8, 2088730), (10, 1670984), (14, 1193560), (16, 1044365), (20, 835492), (28, 596780), (35, 477424), (40, 417746), (53, 315280), (56, 298390), (70, 238712), (80, 208873), (106, 157640), (112, 149195), (140, 119356), (212, 78820), (265, 63056), (280, 59678), (371, 45040), (424, 39410), (530, 31528), (560, 29839), (563, 29680), (742, 22520), (848, 19705), (1060, 15764), (1126, 14840), (1484, 11260), (1855, 9008), (2120, 7882), (2252, 7420), (2815, 5936), (2968, 5630), (3710, 4504), (3941, 4240)]