161557750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{28097}}^1$

素因数の和:28137

約数の個数: 32

約数和(自身を含む): 315596736

約数和(自身を除く): 154038986

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 5750, 28097, 56194, 140485, 280970, 646231, 702425, 1292462, 1404850, 3231155, 3512125, 6462310, 7024250, 16155775, 32311550, 80778875, 161557750]

約数ペア:

[(1, 161557750), (2, 80778875), (5, 32311550), (10, 16155775), (23, 7024250), (25, 6462310), (46, 3512125), (50, 3231155), (115, 1404850), (125, 1292462), (230, 702425), (250, 646231), (575, 280970), (1150, 140485), (2875, 56194), (5750, 28097)]