201253940

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{6301}}^1$

素因数の和:7907

約数の個数: 24

約数和(自身を含む): 422965032

約数和(自身を除く): 221711092

約数列:

[1, 2, 4, 5, 10, 20, 1597, 3194, 6301, 6388, 7985, 12602, 15970, 25204, 31505, 31940, 63010, 126020, 10062697, 20125394, 40250788, 50313485, 100626970, 201253940]

約数ペア:

[(1, 201253940), (2, 100626970), (4, 50313485), (5, 40250788), (10, 20125394), (20, 10062697), (1597, 126020), (3194, 63010), (6301, 31940), (6388, 31505), (7985, 25204), (12602, 15970)]