15706781240

素因数分解:

$2^3\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{136013}}^1$

素因数の和:138911

約数の個数: 32

約数和(自身を含む): 35352758880

約数和(自身を除く): 19645977640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2887, 5774, 11548, 14435, 23096, 28870, 57740, 115480, 136013, 272026, 544052, 680065, 1088104, 1360130, 2720260, 5440520, 392669531, 785339062, 1570678124, 1963347655, 3141356248, 3926695310, 7853390620, 15706781240]

約数ペア:

[(1, 15706781240), (2, 7853390620), (4, 3926695310), (5, 3141356248), (8, 1963347655), (10, 1570678124), (20, 785339062), (40, 392669531), (2887, 5440520), (5774, 2720260), (11548, 1360130), (14435, 1088104), (23096, 680065), (28870, 544052), (57740, 272026), (115480, 136013)]