56319920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 137401920

約数和(自身を除く): 81082000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 359, 370, 424, 530, 592, 718, 740, 848, 1060, 1436, 1480, 1795, 1961, 2120, 2872, 2960, 3590, 3922, 4240, 5744, 7180, 7844, 9805, 13283, 14360, 15688, 19027, 19610, 26566, 28720, 31376, 38054, 39220, 53132, 66415, 76108, 78440, 95135, 106264, 132830, 152216, 156880, 190270, 212528, 265660, 304432, 380540, 531320, 703999, 761080, 1062640, 1407998, 1522160, 2815996, 3519995, 5631992, 7039990, 11263984, 14079980, 28159960, 56319920]

約数ペア:

[(1, 56319920), (2, 28159960), (4, 14079980), (5, 11263984), (8, 7039990), (10, 5631992), (16, 3519995), (20, 2815996), (37, 1522160), (40, 1407998), (53, 1062640), (74, 761080), (80, 703999), (106, 531320), (148, 380540), (185, 304432), (212, 265660), (265, 212528), (296, 190270), (359, 156880), (370, 152216), (424, 132830), (530, 106264), (592, 95135), (718, 78440), (740, 76108), (848, 66415), (1060, 53132), (1436, 39220), (1480, 38054), (1795, 31376), (1961, 28720), (2120, 26566), (2872, 19610), (2960, 19027), (3590, 15688), (3922, 14360), (4240, 13283), (5744, 9805), (7180, 7844)]