1311594100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{319901}}^1$

素因数の和:319956

約数の個数: 36

約数和(自身を含む): 2915586828

約数和(自身を除く): 1603992728

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 319901, 639802, 1279604, 1599505, 3199010, 6398020, 7997525, 13115941, 15995050, 26231882, 31990100, 52463764, 65579705, 131159410, 262318820, 327898525, 655797050, 1311594100]

約数ペア:

[(1, 1311594100), (2, 655797050), (4, 327898525), (5, 262318820), (10, 131159410), (20, 65579705), (25, 52463764), (41, 31990100), (50, 26231882), (82, 15995050), (100, 13115941), (164, 7997525), (205, 6398020), (410, 3199010), (820, 1599505), (1025, 1279604), (2050, 639802), (4100, 319901)]