4456420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1367}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 9422784

約数和(自身を除く): 4966364

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1367, 1630, 2734, 3260, 5468, 6835, 13670, 27340, 222821, 445642, 891284, 1114105, 2228210, 4456420]

約数ペア:

[(1, 4456420), (2, 2228210), (4, 1114105), (5, 891284), (10, 445642), (20, 222821), (163, 27340), (326, 13670), (652, 6835), (815, 5468), (1367, 3260), (1630, 2734)]