220131970

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{39521}}^1$

素因数の和:40085

約数の個数: 16

約数和(自身を含む): 396958968

約数和(自身を除く): 176826998

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5570, 39521, 79042, 197605, 395210, 22013197, 44026394, 110065985, 220131970]

約数ペア:

[(1, 220131970), (2, 110065985), (5, 44026394), (10, 22013197), (557, 395210), (1114, 197605), (2785, 79042), (5570, 39521)]