128568460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{121291}}^1$

素因数の和:121353

約数の個数: 24

約数和(自身を含む): 275090256

約数和(自身を除く): 146521796

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 121291, 242582, 485164, 606455, 1212910, 2425820, 6428423, 12856846, 25713692, 32142115, 64284230, 128568460]

約数ペア:

[(1, 128568460), (2, 64284230), (4, 32142115), (5, 25713692), (10, 12856846), (20, 6428423), (53, 2425820), (106, 1212910), (212, 606455), (265, 485164), (530, 242582), (1060, 121291)]