1337639440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{315481}}^1$

素因数の和:315547

約数の個数: 40

約数和(自身を含む): 3168701208

約数和(自身を除く): 1831061768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 315481, 630962, 1261924, 1577405, 2523848, 3154810, 5047696, 6309620, 12619240, 16720493, 25238480, 33440986, 66881972, 83602465, 133763944, 167204930, 267527888, 334409860, 668819720, 1337639440]

約数ペア:

[(1, 1337639440), (2, 668819720), (4, 334409860), (5, 267527888), (8, 167204930), (10, 133763944), (16, 83602465), (20, 66881972), (40, 33440986), (53, 25238480), (80, 16720493), (106, 12619240), (212, 6309620), (265, 5047696), (424, 3154810), (530, 2523848), (848, 1577405), (1060, 1261924), (2120, 630962), (4240, 315481)]