939771640

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{19793}}^1$

素因数の和:20991

約数の個数: 32

約数和(自身を含む): 2116374480

約数和(自身を除く): 1176602840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 2374, 4748, 5935, 9496, 11870, 19793, 23740, 39586, 47480, 79172, 98965, 158344, 197930, 395860, 791720, 23494291, 46988582, 93977164, 117471455, 187954328, 234942910, 469885820, 939771640]

約数ペア:

[(1, 939771640), (2, 469885820), (4, 234942910), (5, 187954328), (8, 117471455), (10, 93977164), (20, 46988582), (40, 23494291), (1187, 791720), (2374, 395860), (4748, 197930), (5935, 158344), (9496, 98965), (11870, 79172), (19793, 47480), (23740, 39586)]