489019880

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{9397}}^1$

素因数の和:10709

約数の個数: 32

約数和(自身を含む): 1101257640

約数和(自身を除く): 612237760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 2602, 5204, 6505, 9397, 10408, 13010, 18794, 26020, 37588, 46985, 52040, 75176, 93970, 187940, 375880, 12225497, 24450994, 48901988, 61127485, 97803976, 122254970, 244509940, 489019880]

約数ペア:

[(1, 489019880), (2, 244509940), (4, 122254970), (5, 97803976), (8, 61127485), (10, 48901988), (20, 24450994), (40, 12225497), (1301, 375880), (2602, 187940), (5204, 93970), (6505, 75176), (9397, 52040), (10408, 46985), (13010, 37588), (18794, 26020)]