13708720

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 32029200

約数和(自身を除く): 18320480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 491, 698, 982, 1396, 1745, 1964, 2455, 2792, 3490, 3928, 4910, 5584, 6980, 7856, 9820, 13960, 19640, 27920, 39280, 171359, 342718, 685436, 856795, 1370872, 1713590, 2741744, 3427180, 6854360, 13708720]

約数ペア:

[(1, 13708720), (2, 6854360), (4, 3427180), (5, 2741744), (8, 1713590), (10, 1370872), (16, 856795), (20, 685436), (40, 342718), (80, 171359), (349, 39280), (491, 27920), (698, 19640), (982, 13960), (1396, 9820), (1745, 7856), (1964, 6980), (2455, 5584), (2792, 4910), (3490, 3928)]