66162520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40343}}^1$

素因数の和:40395

約数の個数: 32

約数和(自身を含む): 152500320

約数和(自身を除く): 86337800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 40343, 80686, 161372, 201715, 322744, 403430, 806860, 1613720, 1654063, 3308126, 6616252, 8270315, 13232504, 16540630, 33081260, 66162520]

約数ペア:

[(1, 66162520), (2, 33081260), (4, 16540630), (5, 13232504), (8, 8270315), (10, 6616252), (20, 3308126), (40, 1654063), (41, 1613720), (82, 806860), (164, 403430), (205, 322744), (328, 201715), (410, 161372), (820, 80686), (1640, 40343)]