65780840

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{2161}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 148269960

約数和(自身を除く): 82489120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 2161, 3044, 3805, 4322, 6088, 7610, 8644, 10805, 15220, 17288, 21610, 30440, 43220, 86440, 1644521, 3289042, 6578084, 8222605, 13156168, 16445210, 32890420, 65780840]

約数ペア:

[(1, 65780840), (2, 32890420), (4, 16445210), (5, 13156168), (8, 8222605), (10, 6578084), (20, 3289042), (40, 1644521), (761, 86440), (1522, 43220), (2161, 30440), (3044, 21610), (3805, 17288), (4322, 15220), (6088, 10805), (7610, 8644)]