54945020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 136152576

約数和(自身を除く): 81207556

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 401, 403, 442, 527, 620, 802, 806, 884, 1054, 1105, 1604, 1612, 2005, 2015, 2108, 2210, 2635, 4010, 4030, 4420, 5213, 5270, 6817, 6851, 8020, 8060, 10426, 10540, 12431, 13634, 13702, 20852, 24862, 26065, 27268, 27404, 34085, 34255, 49724, 52130, 62155, 68170, 68510, 88621, 104260, 124310, 136340, 137020, 161603, 177242, 211327, 248620, 323206, 354484, 422654, 443105, 646412, 808015, 845308, 886210, 1056635, 1616030, 1772420, 2113270, 2747251, 3232060, 4226540, 5494502, 10989004, 13736255, 27472510, 54945020]

約数ペア:

[(1, 54945020), (2, 27472510), (4, 13736255), (5, 10989004), (10, 5494502), (13, 4226540), (17, 3232060), (20, 2747251), (26, 2113270), (31, 1772420), (34, 1616030), (52, 1056635), (62, 886210), (65, 845308), (68, 808015), (85, 646412), (124, 443105), (130, 422654), (155, 354484), (170, 323206), (221, 248620), (260, 211327), (310, 177242), (340, 161603), (401, 137020), (403, 136340), (442, 124310), (527, 104260), (620, 88621), (802, 68510), (806, 68170), (884, 62155), (1054, 52130), (1105, 49724), (1604, 34255), (1612, 34085), (2005, 27404), (2015, 27268), (2108, 26065), (2210, 24862), (2635, 20852), (4010, 13702), (4030, 13634), (4420, 12431), (5213, 10540), (5270, 10426), (6817, 8060), (6851, 8020)]