1861360

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 4419360

約数和(自身を除く): 2558000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 439, 530, 848, 878, 1060, 1756, 2120, 2195, 3512, 4240, 4390, 7024, 8780, 17560, 23267, 35120, 46534, 93068, 116335, 186136, 232670, 372272, 465340, 930680, 1861360]

約数ペア:

[(1, 1861360), (2, 930680), (4, 465340), (5, 372272), (8, 232670), (10, 186136), (16, 116335), (20, 93068), (40, 46534), (53, 35120), (80, 23267), (106, 17560), (212, 8780), (265, 7024), (424, 4390), (439, 4240), (530, 3512), (848, 2195), (878, 2120), (1060, 1756)]