147771640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{11161}}^1$

素因数の和:11503

約数の個数: 32

約数和(自身を含む): 333520560

約数和(自身を除く): 185748920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 11161, 13240, 22322, 44644, 55805, 89288, 111610, 223220, 446440, 3694291, 7388582, 14777164, 18471455, 29554328, 36942910, 73885820, 147771640]

約数ペア:

[(1, 147771640), (2, 73885820), (4, 36942910), (5, 29554328), (8, 18471455), (10, 14777164), (20, 7388582), (40, 3694291), (331, 446440), (662, 223220), (1324, 111610), (1655, 89288), (2648, 55805), (3310, 44644), (6620, 22322), (11161, 13240)]