1359280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 3406032

約数和(自身を除く): 2046752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1307, 2614, 5228, 6535, 10456, 13070, 16991, 20912, 26140, 33982, 52280, 67964, 84955, 104560, 135928, 169910, 271856, 339820, 679640, 1359280]

約数ペア:

[(1, 1359280), (2, 679640), (4, 339820), (5, 271856), (8, 169910), (10, 135928), (13, 104560), (16, 84955), (20, 67964), (26, 52280), (40, 33982), (52, 26140), (65, 20912), (80, 16991), (104, 13070), (130, 10456), (208, 6535), (260, 5228), (520, 2614), (1040, 1307)]