13318520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8999}}^1$

素因数の和:9047

約数の個数: 32

約数和(自身を含む): 30780000

約数和(自身を除く): 17461480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8999, 17998, 35996, 44995, 71992, 89990, 179980, 332963, 359960, 665926, 1331852, 1664815, 2663704, 3329630, 6659260, 13318520]

約数ペア:

[(1, 13318520), (2, 6659260), (4, 3329630), (5, 2663704), (8, 1664815), (10, 1331852), (20, 665926), (37, 359960), (40, 332963), (74, 179980), (148, 89990), (185, 71992), (296, 44995), (370, 35996), (740, 17998), (1480, 8999)]