80025540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190537}}^1$

素因数の和:190556

約数の個数: 48

約数和(自身を含む): 256083072

約数和(自身を除く): 176057532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 190537, 381074, 571611, 762148, 952685, 1143222, 1333759, 1905370, 2286444, 2667518, 2858055, 3810740, 4001277, 5335036, 5716110, 6668795, 8002554, 11432220, 13337590, 16005108, 20006385, 26675180, 40012770, 80025540]

約数ペア:

[(1, 80025540), (2, 40012770), (3, 26675180), (4, 20006385), (5, 16005108), (6, 13337590), (7, 11432220), (10, 8002554), (12, 6668795), (14, 5716110), (15, 5335036), (20, 4001277), (21, 3810740), (28, 2858055), (30, 2667518), (35, 2286444), (42, 1905370), (60, 1333759), (70, 1143222), (84, 952685), (105, 762148), (140, 571611), (210, 381074), (420, 190537)]