3920540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 9398592

約数和(自身を除く): 5478052

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 887, 1105, 1774, 2210, 3548, 4420, 4435, 8870, 11531, 15079, 17740, 23062, 30158, 46124, 57655, 60316, 75395, 115310, 150790, 196027, 230620, 301580, 392054, 784108, 980135, 1960270, 3920540]

約数ペア:

[(1, 3920540), (2, 1960270), (4, 980135), (5, 784108), (10, 392054), (13, 301580), (17, 230620), (20, 196027), (26, 150790), (34, 115310), (52, 75395), (65, 60316), (68, 57655), (85, 46124), (130, 30158), (170, 23062), (221, 17740), (260, 15079), (340, 11531), (442, 8870), (884, 4435), (887, 4420), (1105, 3548), (1774, 2210)]