1619080240

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{52027}}^1$

素因数の和:52429

約数の個数: 40

約数和(自身を含む): 3774111120

約数和(自身を除く): 2155030880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 52027, 104054, 208108, 260135, 416216, 520270, 832432, 1040540, 2081080, 4162160, 20238503, 40477006, 80954012, 101192515, 161908024, 202385030, 323816048, 404770060, 809540120, 1619080240]

約数ペア:

[(1, 1619080240), (2, 809540120), (4, 404770060), (5, 323816048), (8, 202385030), (10, 161908024), (16, 101192515), (20, 80954012), (40, 40477006), (80, 20238503), (389, 4162160), (778, 2081080), (1556, 1040540), (1945, 832432), (3112, 520270), (3890, 416216), (6224, 260135), (7780, 208108), (15560, 104054), (31120, 52027)]