53887340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 124513200

約数和(自身を除く): 70625860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 149, 169, 214, 260, 298, 338, 428, 535, 596, 676, 745, 845, 1070, 1391, 1490, 1690, 1937, 2140, 2782, 2980, 3380, 3874, 5564, 6955, 7748, 9685, 13910, 15943, 18083, 19370, 25181, 27820, 31886, 36166, 38740, 50362, 63772, 72332, 79715, 90415, 100724, 125905, 159430, 180830, 207259, 251810, 318860, 361660, 414518, 503620, 829036, 1036295, 2072590, 2694367, 4145180, 5388734, 10777468, 13471835, 26943670, 53887340]

約数ペア:

[(1, 53887340), (2, 26943670), (4, 13471835), (5, 10777468), (10, 5388734), (13, 4145180), (20, 2694367), (26, 2072590), (52, 1036295), (65, 829036), (107, 503620), (130, 414518), (149, 361660), (169, 318860), (214, 251810), (260, 207259), (298, 180830), (338, 159430), (428, 125905), (535, 100724), (596, 90415), (676, 79715), (745, 72332), (845, 63772), (1070, 50362), (1391, 38740), (1490, 36166), (1690, 31886), (1937, 27820), (2140, 25181), (2782, 19370), (2980, 18083), (3380, 15943), (3874, 13910), (5564, 9685), (6955, 7748)]