40807800020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1\times {\mathrm{2003}}^1$

素因数の和:2769

約数の個数: 96

約数和(自身を含む): 93212356608

約数和(自身を除く): 52404556588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 617, 635, 1234, 1270, 1651, 2003, 2468, 2540, 3085, 3302, 4006, 6170, 6604, 8012, 8021, 8255, 10015, 12340, 16042, 16510, 20030, 26039, 32084, 33020, 40060, 40105, 52078, 78359, 80210, 104156, 130195, 156718, 160420, 254381, 260390, 313436, 391795, 508762, 520780, 783590, 1017524, 1018667, 1235851, 1271905, 1567180, 2037334, 2471702, 2543810, 3306953, 4074668, 4943404, 5087620, 5093335, 6179255, 6613906, 10186670, 12358510, 13227812, 16066063, 16534765, 20373340, 24717020, 32132126, 33069530, 64264252, 66139060, 80330315, 156953077, 160660630, 313906154, 321321260, 627812308, 784765385, 1569530770, 2040390001, 3139061540, 4080780002, 8161560004, 10201950005, 20403900010, 40807800020]

約数ペア:

[(1, 40807800020), (2, 20403900010), (4, 10201950005), (5, 8161560004), (10, 4080780002), (13, 3139061540), (20, 2040390001), (26, 1569530770), (52, 784765385), (65, 627812308), (127, 321321260), (130, 313906154), (254, 160660630), (260, 156953077), (508, 80330315), (617, 66139060), (635, 64264252), (1234, 33069530), (1270, 32132126), (1651, 24717020), (2003, 20373340), (2468, 16534765), (2540, 16066063), (3085, 13227812), (3302, 12358510), (4006, 10186670), (6170, 6613906), (6604, 6179255), (8012, 5093335), (8021, 5087620), (8255, 4943404), (10015, 4074668), (12340, 3306953), (16042, 2543810), (16510, 2471702), (20030, 2037334), (26039, 1567180), (32084, 1271905), (33020, 1235851), (40060, 1018667), (40105, 1017524), (52078, 783590), (78359, 520780), (80210, 508762), (104156, 391795), (130195, 313436), (156718, 260390), (160420, 254381)]