2090920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 5067720

約数和(自身を除く): 2976800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4021, 8042, 16084, 20105, 32168, 40210, 52273, 80420, 104546, 160840, 209092, 261365, 418184, 522730, 1045460, 2090920]

約数ペア:

[(1, 2090920), (2, 1045460), (4, 522730), (5, 418184), (8, 261365), (10, 209092), (13, 160840), (20, 104546), (26, 80420), (40, 52273), (52, 40210), (65, 32168), (104, 20105), (130, 16084), (260, 8042), (520, 4021)]