845650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1326

約数の個数: 24

約数和(自身を含む): 1695204

約数和(自身を除く): 849554

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1301, 2602, 6505, 13010, 16913, 32525, 33826, 65050, 84565, 169130, 422825, 845650]

約数ペア:

[(1, 845650), (2, 422825), (5, 169130), (10, 84565), (13, 65050), (25, 33826), (26, 32525), (50, 16913), (65, 13010), (130, 6505), (325, 2602), (650, 1301)]