49906840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30431}}^1$

素因数の和:30483

約数の個数: 32

約数和(自身を含む): 115032960

約数和(自身を除く): 65126120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 30431, 60862, 121724, 152155, 243448, 304310, 608620, 1217240, 1247671, 2495342, 4990684, 6238355, 9981368, 12476710, 24953420, 49906840]

約数ペア:

[(1, 49906840), (2, 24953420), (4, 12476710), (5, 9981368), (8, 6238355), (10, 4990684), (20, 2495342), (40, 1247671), (41, 1217240), (82, 608620), (164, 304310), (205, 243448), (328, 152155), (410, 121724), (820, 60862), (1640, 30431)]