203467160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391283}}^1$

素因数の和:391307

約数の個数: 32

約数和(自身を含む): 493017840

約数和(自身を除く): 289550680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 391283, 782566, 1565132, 1956415, 3130264, 3912830, 5086679, 7825660, 10173358, 15651320, 20346716, 25433395, 40693432, 50866790, 101733580, 203467160]

約数ペア:

[(1, 203467160), (2, 101733580), (4, 50866790), (5, 40693432), (8, 25433395), (10, 20346716), (13, 15651320), (20, 10173358), (26, 7825660), (40, 5086679), (52, 3912830), (65, 3130264), (104, 1956415), (130, 1565132), (260, 782566), (520, 391283)]