53145220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 114751728

約数和(自身を除く): 61606508

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 181, 212, 265, 277, 362, 530, 554, 724, 905, 1060, 1108, 1385, 1810, 2770, 3620, 5540, 9593, 14681, 19186, 29362, 38372, 47965, 50137, 58724, 73405, 95930, 100274, 146810, 191860, 200548, 250685, 293620, 501370, 1002740, 2657261, 5314522, 10629044, 13286305, 26572610, 53145220]

約数ペア:

[(1, 53145220), (2, 26572610), (4, 13286305), (5, 10629044), (10, 5314522), (20, 2657261), (53, 1002740), (106, 501370), (181, 293620), (212, 250685), (265, 200548), (277, 191860), (362, 146810), (530, 100274), (554, 95930), (724, 73405), (905, 58724), (1060, 50137), (1108, 47965), (1385, 38372), (1810, 29362), (2770, 19186), (3620, 14681), (5540, 9593)]