380012840

素因数分解:

$2^3\times 5^1\times {\mathrm{9500321}}^1$

素因数の和:9500332

約数の個数: 16

約数和(自身を含む): 855028980

約数和(自身を除く): 475016140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9500321, 19000642, 38001284, 47501605, 76002568, 95003210, 190006420, 380012840]

約数ペア:

[(1, 380012840), (2, 190006420), (4, 95003210), (5, 76002568), (8, 47501605), (10, 38001284), (20, 19000642), (40, 9500321)]