202368920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389171}}^1$

素因数の和:389195

約数の個数: 32

約数和(自身を含む): 490356720

約数和(自身を除く): 287987800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 389171, 778342, 1556684, 1945855, 3113368, 3891710, 5059223, 7783420, 10118446, 15566840, 20236892, 25296115, 40473784, 50592230, 101184460, 202368920]

約数ペア:

[(1, 202368920), (2, 101184460), (4, 50592230), (5, 40473784), (8, 25296115), (10, 20236892), (13, 15566840), (20, 10118446), (26, 7783420), (40, 5059223), (52, 3891710), (65, 3113368), (104, 1945855), (130, 1556684), (260, 778342), (520, 389171)]