12515620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 29091888

約数和(自身を除く): 16576268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1301, 1924, 2405, 2602, 4810, 5204, 6505, 9620, 13010, 16913, 26020, 33826, 48137, 67652, 84565, 96274, 169130, 192548, 240685, 338260, 481370, 625781, 962740, 1251562, 2503124, 3128905, 6257810, 12515620]

約数ペア:

[(1, 12515620), (2, 6257810), (4, 3128905), (5, 2503124), (10, 1251562), (13, 962740), (20, 625781), (26, 481370), (37, 338260), (52, 240685), (65, 192548), (74, 169130), (130, 96274), (148, 84565), (185, 67652), (260, 48137), (370, 33826), (481, 26020), (740, 16913), (962, 13010), (1301, 9620), (1924, 6505), (2405, 5204), (2602, 4810)]