16121540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 35163072

約数和(自身を除く): 19041532

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 227, 265, 268, 335, 454, 530, 670, 908, 1060, 1135, 1340, 2270, 3551, 4540, 7102, 12031, 14204, 15209, 17755, 24062, 30418, 35510, 48124, 60155, 60836, 71020, 76045, 120310, 152090, 240620, 304180, 806077, 1612154, 3224308, 4030385, 8060770, 16121540]

約数ペア:

[(1, 16121540), (2, 8060770), (4, 4030385), (5, 3224308), (10, 1612154), (20, 806077), (53, 304180), (67, 240620), (106, 152090), (134, 120310), (212, 76045), (227, 71020), (265, 60836), (268, 60155), (335, 48124), (454, 35510), (530, 30418), (670, 24062), (908, 17755), (1060, 15209), (1135, 14204), (1340, 12031), (2270, 7102), (3551, 4540)]