13010680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 30780000

約数和(自身を除く): 17769320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 149, 185, 236, 295, 296, 298, 370, 472, 590, 596, 740, 745, 1180, 1192, 1480, 1490, 2183, 2360, 2980, 4366, 5513, 5960, 8732, 8791, 10915, 11026, 17464, 17582, 21830, 22052, 27565, 35164, 43660, 43955, 44104, 55130, 70328, 87320, 87910, 110260, 175820, 220520, 325267, 351640, 650534, 1301068, 1626335, 2602136, 3252670, 6505340, 13010680]

約数ペア:

[(1, 13010680), (2, 6505340), (4, 3252670), (5, 2602136), (8, 1626335), (10, 1301068), (20, 650534), (37, 351640), (40, 325267), (59, 220520), (74, 175820), (118, 110260), (148, 87910), (149, 87320), (185, 70328), (236, 55130), (295, 44104), (296, 43955), (298, 43660), (370, 35164), (472, 27565), (590, 22052), (596, 21830), (740, 17582), (745, 17464), (1180, 11026), (1192, 10915), (1480, 8791), (1490, 8732), (2183, 5960), (2360, 5513), (2980, 4366)]