8022940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 18184320

約数和(自身を除く): 10161380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 491, 817, 860, 982, 1634, 1964, 2455, 3268, 4085, 4910, 8170, 9329, 9820, 16340, 18658, 21113, 37316, 42226, 46645, 84452, 93290, 105565, 186580, 211130, 401147, 422260, 802294, 1604588, 2005735, 4011470, 8022940]

約数ペア:

[(1, 8022940), (2, 4011470), (4, 2005735), (5, 1604588), (10, 802294), (19, 422260), (20, 401147), (38, 211130), (43, 186580), (76, 105565), (86, 93290), (95, 84452), (172, 46645), (190, 42226), (215, 37316), (380, 21113), (430, 18658), (491, 16340), (817, 9820), (860, 9329), (982, 8170), (1634, 4910), (1964, 4085), (2455, 3268)]