8144260

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1301}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 17170776

約数和(自身を除く): 9026516

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1301, 1565, 2602, 3130, 5204, 6260, 6505, 13010, 26020, 407213, 814426, 1628852, 2036065, 4072130, 8144260]

約数ペア:

[(1, 8144260), (2, 4072130), (4, 2036065), (5, 1628852), (10, 814426), (20, 407213), (313, 26020), (626, 13010), (1252, 6505), (1301, 6260), (1565, 5204), (2602, 3130)]