2148340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 4546080

約数和(自身を除く): 2397740

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 659, 815, 1318, 1630, 2636, 3260, 3295, 6590, 13180, 107417, 214834, 429668, 537085, 1074170, 2148340]

約数ペア:

[(1, 2148340), (2, 1074170), (4, 537085), (5, 429668), (10, 214834), (20, 107417), (163, 13180), (326, 6590), (652, 3295), (659, 3260), (815, 2636), (1318, 1630)]