208072020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266759}}^1$

素因数の和:266784

約数の個数: 48

約数和(自身を含む): 627419520

約数和(自身を除く): 419347500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 266759, 533518, 800277, 1067036, 1333795, 1600554, 2667590, 3201108, 3467867, 4001385, 5335180, 6935734, 8002770, 10403601, 13871468, 16005540, 17339335, 20807202, 34678670, 41614404, 52018005, 69357340, 104036010, 208072020]

約数ペア:

[(1, 208072020), (2, 104036010), (3, 69357340), (4, 52018005), (5, 41614404), (6, 34678670), (10, 20807202), (12, 17339335), (13, 16005540), (15, 13871468), (20, 10403601), (26, 8002770), (30, 6935734), (39, 5335180), (52, 4001385), (60, 3467867), (65, 3201108), (78, 2667590), (130, 1600554), (156, 1333795), (195, 1067036), (260, 800277), (390, 533518), (780, 266759)]