203450920

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{5021}}^1$

素因数の和:6045

約数の個数: 32

約数和(自身を含む): 458307720

約数和(自身を除く): 254856800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 4052, 5021, 5065, 8104, 10042, 10130, 20084, 20260, 25105, 40168, 40520, 50210, 100420, 200840, 5086273, 10172546, 20345092, 25431365, 40690184, 50862730, 101725460, 203450920]

約数ペア:

[(1, 203450920), (2, 101725460), (4, 50862730), (5, 40690184), (8, 25431365), (10, 20345092), (20, 10172546), (40, 5086273), (1013, 200840), (2026, 100420), (4052, 50210), (5021, 40520), (5065, 40168), (8104, 25105), (10042, 20260), (10130, 20084)]