180645040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{23279}}^1$

素因数の和:23389

約数の個数: 40

約数和(自身を含む): 424347840

約数和(自身を除く): 243702800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 23279, 46558, 93116, 116395, 186232, 232790, 372464, 465580, 931160, 1862320, 2258063, 4516126, 9032252, 11290315, 18064504, 22580630, 36129008, 45161260, 90322520, 180645040]

約数ペア:

[(1, 180645040), (2, 90322520), (4, 45161260), (5, 36129008), (8, 22580630), (10, 18064504), (16, 11290315), (20, 9032252), (40, 4516126), (80, 2258063), (97, 1862320), (194, 931160), (388, 465580), (485, 372464), (776, 232790), (970, 186232), (1552, 116395), (1940, 93116), (3880, 46558), (7760, 23279)]