80410840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49031}}^1$

素因数の和:49083

約数の個数: 32

約数和(自身を含む): 185340960

約数和(自身を除く): 104930120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 49031, 98062, 196124, 245155, 392248, 490310, 980620, 1961240, 2010271, 4020542, 8041084, 10051355, 16082168, 20102710, 40205420, 80410840]

約数ペア:

[(1, 80410840), (2, 40205420), (4, 20102710), (5, 16082168), (8, 10051355), (10, 8041084), (20, 4020542), (40, 2010271), (41, 1961240), (82, 980620), (164, 490310), (205, 392248), (328, 245155), (410, 196124), (820, 98062), (1640, 49031)]