127345840

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10139}}^1$

素因数の和:10309

約数の個数: 40

約数和(自身を含む): 297994320

約数和(自身を除く): 170648480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 10139, 12560, 20278, 40556, 50695, 81112, 101390, 162224, 202780, 405560, 811120, 1591823, 3183646, 6367292, 7959115, 12734584, 15918230, 25469168, 31836460, 63672920, 127345840]

約数ペア:

[(1, 127345840), (2, 63672920), (4, 31836460), (5, 25469168), (8, 15918230), (10, 12734584), (16, 7959115), (20, 6367292), (40, 3183646), (80, 1591823), (157, 811120), (314, 405560), (628, 202780), (785, 162224), (1256, 101390), (1570, 81112), (2512, 50695), (3140, 40556), (6280, 20278), (10139, 12560)]