202105240

素因数分解:

$2^3\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{2689}}^1$

素因数の和:4579

約数の個数: 32

約数和(自身を含む): 455148000

約数和(自身を除く): 253042760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1879, 2689, 3758, 5378, 7516, 9395, 10756, 13445, 15032, 18790, 21512, 26890, 37580, 53780, 75160, 107560, 5052631, 10105262, 20210524, 25263155, 40421048, 50526310, 101052620, 202105240]

約数ペア:

[(1, 202105240), (2, 101052620), (4, 50526310), (5, 40421048), (8, 25263155), (10, 20210524), (20, 10105262), (40, 5052631), (1879, 107560), (2689, 75160), (3758, 53780), (5378, 37580), (7516, 26890), (9395, 21512), (10756, 18790), (13445, 15032)]