145119760

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18701}}^1$

素因数の和:18811

約数の個数: 40

約数和(自身を含む): 340900056

約数和(自身を除く): 195780296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 18701, 37402, 74804, 93505, 149608, 187010, 299216, 374020, 748040, 1496080, 1813997, 3627994, 7255988, 9069985, 14511976, 18139970, 29023952, 36279940, 72559880, 145119760]

約数ペア:

[(1, 145119760), (2, 72559880), (4, 36279940), (5, 29023952), (8, 18139970), (10, 14511976), (16, 9069985), (20, 7255988), (40, 3627994), (80, 1813997), (97, 1496080), (194, 748040), (388, 374020), (485, 299216), (776, 187010), (970, 149608), (1552, 93505), (1940, 74804), (3880, 37402), (7760, 18701)]