20126320825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 29135635200

約数和(自身を除く): 9009314375

約数列:

[1, 5, 13, 17, 25, 65, 73, 85, 139, 221, 325, 359, 365, 425, 695, 949, 1105, 1241, 1795, 1807, 1825, 2363, 3475, 4667, 4745, 5525, 6103, 6205, 8975, 9035, 10147, 11815, 16133, 23335, 23725, 26207, 30515, 30719, 31025, 45175, 49901, 50735, 59075, 79339, 80665, 116675, 131035, 131911, 152575, 153595, 172499, 249505, 253675, 340691, 396695, 403325, 445519, 648713, 655175, 659555, 767975, 848317, 862495, 1247525, 1703455, 1983475, 2227595, 2242487, 3243565, 3297775, 3642773, 4241585, 4312475, 5791747, 8517275, 11028121, 11137975, 11212435, 16217825, 18213865, 21207925, 28958735, 47356049, 55140605, 56062175, 61927141, 91069325, 144793675, 236780245, 275703025, 309635705, 805052833, 1183901225, 1548178525, 4025264165, 20126320825]

約数ペア:

[(1, 20126320825), (5, 4025264165), (13, 1548178525), (17, 1183901225), (25, 805052833), (65, 309635705), (73, 275703025), (85, 236780245), (139, 144793675), (221, 91069325), (325, 61927141), (359, 56062175), (365, 55140605), (425, 47356049), (695, 28958735), (949, 21207925), (1105, 18213865), (1241, 16217825), (1795, 11212435), (1807, 11137975), (1825, 11028121), (2363, 8517275), (3475, 5791747), (4667, 4312475), (4745, 4241585), (5525, 3642773), (6103, 3297775), (6205, 3243565), (8975, 2242487), (9035, 2227595), (10147, 1983475), (11815, 1703455), (16133, 1247525), (23335, 862495), (23725, 848317), (26207, 767975), (30515, 659555), (30719, 655175), (31025, 648713), (45175, 445519), (49901, 403325), (50735, 396695), (59075, 340691), (79339, 253675), (80665, 249505), (116675, 172499), (131035, 153595), (131911, 152575)]