78841100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{60647}}^1$

素因数の和:60674

約数の個数: 36

約数和(自身を含む): 184248624

約数和(自身を除く): 105407524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 60647, 121294, 242588, 303235, 606470, 788411, 1212940, 1516175, 1576822, 3032350, 3153644, 3942055, 6064700, 7884110, 15768220, 19710275, 39420550, 78841100]

約数ペア:

[(1, 78841100), (2, 39420550), (4, 19710275), (5, 15768220), (10, 7884110), (13, 6064700), (20, 3942055), (25, 3153644), (26, 3032350), (50, 1576822), (52, 1516175), (65, 1212940), (100, 788411), (130, 606470), (260, 303235), (325, 242588), (650, 121294), (1300, 60647)]