2212720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 5450544

約数和(自身を除く): 3237824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1627, 3254, 6508, 8135, 13016, 16270, 26032, 27659, 32540, 55318, 65080, 110636, 130160, 138295, 221272, 276590, 442544, 553180, 1106360, 2212720]

約数ペア:

[(1, 2212720), (2, 1106360), (4, 553180), (5, 442544), (8, 276590), (10, 221272), (16, 138295), (17, 130160), (20, 110636), (34, 65080), (40, 55318), (68, 32540), (80, 27659), (85, 26032), (136, 16270), (170, 13016), (272, 8135), (340, 6508), (680, 3254), (1360, 1627)]