78929240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151787}}^1$

素因数の和:151811

約数の個数: 32

約数和(自身を含む): 191252880

約数和(自身を除く): 112323640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 151787, 303574, 607148, 758935, 1214296, 1517870, 1973231, 3035740, 3946462, 6071480, 7892924, 9866155, 15785848, 19732310, 39464620, 78929240]

約数ペア:

[(1, 78929240), (2, 39464620), (4, 19732310), (5, 15785848), (8, 9866155), (10, 7892924), (13, 6071480), (20, 3946462), (26, 3035740), (40, 1973231), (52, 1517870), (65, 1214296), (104, 758935), (130, 607148), (260, 303574), (520, 151787)]