208023920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{200023}}^1$

素因数の和:200049

約数の個数: 40

約数和(自身を含む): 520862496

約数和(自身を除く): 312838576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 200023, 400046, 800092, 1000115, 1600184, 2000230, 2600299, 3200368, 4000460, 5200598, 8000920, 10401196, 13001495, 16001840, 20802392, 26002990, 41604784, 52005980, 104011960, 208023920]

約数ペア:

[(1, 208023920), (2, 104011960), (4, 52005980), (5, 41604784), (8, 26002990), (10, 20802392), (13, 16001840), (16, 13001495), (20, 10401196), (26, 8000920), (40, 5200598), (52, 4000460), (65, 3200368), (80, 2600299), (104, 2000230), (130, 1600184), (208, 1000115), (260, 800092), (520, 400046), (1040, 200023)]