203450

素因数分解:

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

素因数の和:338

約数の個数: 24

約数和(自身を含む): 408828

約数和(自身を除く): 205378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 313, 325, 626, 650, 1565, 3130, 4069, 7825, 8138, 15650, 20345, 40690, 101725, 203450]

約数ペア:

[(1, 203450), (2, 101725), (5, 40690), (10, 20345), (13, 15650), (25, 8138), (26, 7825), (50, 4069), (65, 3130), (130, 1565), (313, 650), (325, 626)]