12210640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 31248000

約数和(自身を除く): 19037360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 199, 208, 236, 260, 295, 398, 472, 520, 590, 767, 796, 944, 995, 1040, 1180, 1534, 1592, 1990, 2360, 2587, 3068, 3184, 3835, 3980, 4720, 5174, 6136, 7670, 7960, 10348, 11741, 12272, 12935, 15340, 15920, 20696, 23482, 25870, 30680, 41392, 46964, 51740, 58705, 61360, 93928, 103480, 117410, 152633, 187856, 206960, 234820, 305266, 469640, 610532, 763165, 939280, 1221064, 1526330, 2442128, 3052660, 6105320, 12210640]

約数ペア:

[(1, 12210640), (2, 6105320), (4, 3052660), (5, 2442128), (8, 1526330), (10, 1221064), (13, 939280), (16, 763165), (20, 610532), (26, 469640), (40, 305266), (52, 234820), (59, 206960), (65, 187856), (80, 152633), (104, 117410), (118, 103480), (130, 93928), (199, 61360), (208, 58705), (236, 51740), (260, 46964), (295, 41392), (398, 30680), (472, 25870), (520, 23482), (590, 20696), (767, 15920), (796, 15340), (944, 12935), (995, 12272), (1040, 11741), (1180, 10348), (1534, 7960), (1592, 7670), (1990, 6136), (2360, 5174), (2587, 4720), (3068, 3980), (3184, 3835)]