65226440

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2243}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 147026880

約数和(自身を除く): 81800440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2243, 2908, 3635, 4486, 5816, 7270, 8972, 11215, 14540, 17944, 22430, 29080, 44860, 89720, 1630661, 3261322, 6522644, 8153305, 13045288, 16306610, 32613220, 65226440]

約数ペア:

[(1, 65226440), (2, 32613220), (4, 16306610), (5, 13045288), (8, 8153305), (10, 6522644), (20, 3261322), (40, 1630661), (727, 89720), (1454, 44860), (2243, 29080), (2908, 22430), (3635, 17944), (4486, 14540), (5816, 11215), (7270, 8972)]