13904020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 32069520

約数和(自身を除く): 18165500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1009, 1060, 1378, 2018, 2756, 3445, 4036, 5045, 6890, 10090, 13117, 13780, 20180, 26234, 52468, 53477, 65585, 106954, 131170, 213908, 262340, 267385, 534770, 695201, 1069540, 1390402, 2780804, 3476005, 6952010, 13904020]

約数ペア:

[(1, 13904020), (2, 6952010), (4, 3476005), (5, 2780804), (10, 1390402), (13, 1069540), (20, 695201), (26, 534770), (52, 267385), (53, 262340), (65, 213908), (106, 131170), (130, 106954), (212, 65585), (260, 53477), (265, 52468), (530, 26234), (689, 20180), (1009, 13780), (1060, 13117), (1378, 10090), (2018, 6890), (2756, 5045), (3445, 4036)]