52728260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 120187200

約数和(自身を除く): 67458940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1459, 1807, 2780, 2918, 3614, 5836, 7228, 7295, 9035, 14590, 18070, 18967, 29180, 36140, 37934, 75868, 94835, 189670, 202801, 379340, 405602, 811204, 1014005, 2028010, 2636413, 4056020, 5272826, 10545652, 13182065, 26364130, 52728260]

約数ペア:

[(1, 52728260), (2, 26364130), (4, 13182065), (5, 10545652), (10, 5272826), (13, 4056020), (20, 2636413), (26, 2028010), (52, 1014005), (65, 811204), (130, 405602), (139, 379340), (260, 202801), (278, 189670), (556, 94835), (695, 75868), (1390, 37934), (1459, 36140), (1807, 29180), (2780, 18967), (2918, 18070), (3614, 14590), (5836, 9035), (7228, 7295)]