65000660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^2$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 139030164

約数和(自身を除く): 74029504

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 211, 292, 365, 422, 730, 844, 1055, 1460, 2110, 4220, 15403, 30806, 44521, 61612, 77015, 89042, 154030, 178084, 222605, 308060, 445210, 890420, 3250033, 6500066, 13000132, 16250165, 32500330, 65000660]

約数ペア:

[(1, 65000660), (2, 32500330), (4, 16250165), (5, 13000132), (10, 6500066), (20, 3250033), (73, 890420), (146, 445210), (211, 308060), (292, 222605), (365, 178084), (422, 154030), (730, 89042), (844, 77015), (1055, 61612), (1460, 44521), (2110, 30806), (4220, 15403)]