166422100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 391112120

約数和(自身を除く): 224690020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 313, 325, 409, 626, 650, 818, 1252, 1300, 1565, 1636, 2045, 3130, 4069, 4090, 5317, 6260, 7825, 8138, 8180, 10225, 10634, 15650, 16276, 20345, 20450, 21268, 26585, 31300, 40690, 40900, 53170, 81380, 101725, 106340, 128017, 132925, 203450, 256034, 265850, 406900, 512068, 531700, 640085, 1280170, 1664221, 2560340, 3200425, 3328442, 6400850, 6656884, 8321105, 12801700, 16642210, 33284420, 41605525, 83211050, 166422100]

約数ペア:

[(1, 166422100), (2, 83211050), (4, 41605525), (5, 33284420), (10, 16642210), (13, 12801700), (20, 8321105), (25, 6656884), (26, 6400850), (50, 3328442), (52, 3200425), (65, 2560340), (100, 1664221), (130, 1280170), (260, 640085), (313, 531700), (325, 512068), (409, 406900), (626, 265850), (650, 256034), (818, 203450), (1252, 132925), (1300, 128017), (1565, 106340), (1636, 101725), (2045, 81380), (3130, 53170), (4069, 40900), (4090, 40690), (5317, 31300), (6260, 26585), (7825, 21268), (8138, 20450), (8180, 20345), (10225, 16276), (10634, 15650)]