51638270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 101787840

約数和(自身を除く): 50149570

約数列:

[1, 2, 5, 10, 29, 41, 43, 58, 82, 86, 101, 145, 202, 205, 215, 290, 410, 430, 505, 1010, 1189, 1247, 1763, 2378, 2494, 2929, 3526, 4141, 4343, 5858, 5945, 6235, 8282, 8686, 8815, 11890, 12470, 14645, 17630, 20705, 21715, 29290, 41410, 43430, 51127, 102254, 120089, 125947, 178063, 240178, 251894, 255635, 356126, 511270, 600445, 629735, 890315, 1200890, 1259470, 1780630, 5163827, 10327654, 25819135, 51638270]

約数ペア:

[(1, 51638270), (2, 25819135), (5, 10327654), (10, 5163827), (29, 1780630), (41, 1259470), (43, 1200890), (58, 890315), (82, 629735), (86, 600445), (101, 511270), (145, 356126), (202, 255635), (205, 251894), (215, 240178), (290, 178063), (410, 125947), (430, 120089), (505, 102254), (1010, 51127), (1189, 43430), (1247, 41410), (1763, 29290), (2378, 21715), (2494, 20705), (2929, 17630), (3526, 14645), (4141, 12470), (4343, 11890), (5858, 8815), (5945, 8686), (6235, 8282)]