65413880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233621}}^1$

素因数の和:233639

約数の個数: 32

約数和(自身を含む): 168207840

約数和(自身を除く): 102793960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 233621, 467242, 934484, 1168105, 1635347, 1868968, 2336210, 3270694, 4672420, 6541388, 8176735, 9344840, 13082776, 16353470, 32706940, 65413880]

約数ペア:

[(1, 65413880), (2, 32706940), (4, 16353470), (5, 13082776), (7, 9344840), (8, 8176735), (10, 6541388), (14, 4672420), (20, 3270694), (28, 2336210), (35, 1868968), (40, 1635347), (56, 1168105), (70, 934484), (140, 467242), (280, 233621)]