129385840

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3539}}^1$

素因数の和:4009

約数の個数: 40

約数和(自身を含む): 301565520

約数和(自身を除く): 172179680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2285, 3539, 3656, 4570, 7078, 7312, 9140, 14156, 17695, 18280, 28312, 35390, 36560, 56624, 70780, 141560, 283120, 1617323, 3234646, 6469292, 8086615, 12938584, 16173230, 25877168, 32346460, 64692920, 129385840]

約数ペア:

[(1, 129385840), (2, 64692920), (4, 32346460), (5, 25877168), (8, 16173230), (10, 12938584), (16, 8086615), (20, 6469292), (40, 3234646), (80, 1617323), (457, 283120), (914, 141560), (1828, 70780), (2285, 56624), (3539, 36560), (3656, 35390), (4570, 28312), (7078, 18280), (7312, 17695), (9140, 14156)]