13287650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 26516160

約数和(自身を除く): 13228510

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 197, 355, 394, 475, 710, 950, 985, 1349, 1775, 1970, 2698, 3550, 3743, 4925, 6745, 7486, 9850, 13490, 13987, 18715, 27974, 33725, 37430, 67450, 69935, 93575, 139870, 187150, 265753, 349675, 531506, 699350, 1328765, 2657530, 6643825, 13287650]

約数ペア:

[(1, 13287650), (2, 6643825), (5, 2657530), (10, 1328765), (19, 699350), (25, 531506), (38, 349675), (50, 265753), (71, 187150), (95, 139870), (142, 93575), (190, 69935), (197, 67450), (355, 37430), (394, 33725), (475, 27974), (710, 18715), (950, 13987), (985, 13490), (1349, 9850), (1775, 7486), (1970, 6745), (2698, 4925), (3550, 3743)]