20195778850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2390033}}^1$

素因数の和:2390071

約数の個数: 36

約数和(自身を含む): 40675988646

約数和(自身を除く): 20480209796

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 2390033, 4780066, 11950165, 23900330, 31070429, 59750825, 62140858, 119501650, 155352145, 310704290, 403915577, 776760725, 807831154, 1553521450, 2019577885, 4039155770, 10097889425, 20195778850]

約数ペア:

[(1, 20195778850), (2, 10097889425), (5, 4039155770), (10, 2019577885), (13, 1553521450), (25, 807831154), (26, 776760725), (50, 403915577), (65, 310704290), (130, 155352145), (169, 119501650), (325, 62140858), (338, 59750825), (650, 31070429), (845, 23900330), (1690, 11950165), (4225, 4780066), (8450, 2390033)]