66211960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87121}}^1$

素因数の和:87151

約数の個数: 32

約数和(自身を含む): 156819600

約数和(自身を除く): 90607640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87121, 174242, 348484, 435605, 696968, 871210, 1655299, 1742420, 3310598, 3484840, 6621196, 8276495, 13242392, 16552990, 33105980, 66211960]

約数ペア:

[(1, 66211960), (2, 33105980), (4, 16552990), (5, 13242392), (8, 8276495), (10, 6621196), (19, 3484840), (20, 3310598), (38, 1742420), (40, 1655299), (76, 871210), (95, 696968), (152, 435605), (190, 348484), (380, 174242), (760, 87121)]