16273240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1583}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 20507240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 1583, 2056, 2570, 3166, 5140, 6332, 7915, 10280, 12664, 15830, 31660, 63320, 406831, 813662, 1627324, 2034155, 3254648, 4068310, 8136620, 16273240]

約数ペア:

[(1, 16273240), (2, 8136620), (4, 4068310), (5, 3254648), (8, 2034155), (10, 1627324), (20, 813662), (40, 406831), (257, 63320), (514, 31660), (1028, 15830), (1285, 12664), (1583, 10280), (2056, 7915), (2570, 6332), (3166, 5140)]