1993622420

素因数分解:

$2^2\times 5^1\times {\mathrm{3989}}^1\times {\mathrm{24989}}^1$

素因数の和:28987

約数の個数: 24

約数和(自身を含む): 4187824200

約数和(自身を除く): 2194201780

約数列:

[1, 2, 4, 5, 10, 20, 3989, 7978, 15956, 19945, 24989, 39890, 49978, 79780, 99956, 124945, 249890, 499780, 99681121, 199362242, 398724484, 498405605, 996811210, 1993622420]

約数ペア:

[(1, 1993622420), (2, 996811210), (4, 498405605), (5, 398724484), (10, 199362242), (20, 99681121), (3989, 499780), (7978, 249890), (15956, 124945), (19945, 99956), (24989, 79780), (39890, 49978)]