4920703280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{20147}}^1$

素因数の和:20274

約数の個数: 80

約数和(自身を含む): 11872168704

約数和(自身を除く): 6951465424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 355, 430, 568, 688, 710, 860, 1136, 1420, 1720, 2840, 3053, 3440, 5680, 6106, 12212, 15265, 20147, 24424, 30530, 40294, 48848, 61060, 80588, 100735, 122120, 161176, 201470, 244240, 322352, 402940, 805880, 866321, 1430437, 1611760, 1732642, 2860874, 3465284, 4331605, 5721748, 6930568, 7152185, 8663210, 11443496, 13861136, 14304370, 17326420, 22886992, 28608740, 34652840, 57217480, 61508791, 69305680, 114434960, 123017582, 246035164, 307543955, 492070328, 615087910, 984140656, 1230175820, 2460351640, 4920703280]

約数ペア:

[(1, 4920703280), (2, 2460351640), (4, 1230175820), (5, 984140656), (8, 615087910), (10, 492070328), (16, 307543955), (20, 246035164), (40, 123017582), (43, 114434960), (71, 69305680), (80, 61508791), (86, 57217480), (142, 34652840), (172, 28608740), (215, 22886992), (284, 17326420), (344, 14304370), (355, 13861136), (430, 11443496), (568, 8663210), (688, 7152185), (710, 6930568), (860, 5721748), (1136, 4331605), (1420, 3465284), (1720, 2860874), (2840, 1732642), (3053, 1611760), (3440, 1430437), (5680, 866321), (6106, 805880), (12212, 402940), (15265, 322352), (20147, 244240), (24424, 201470), (30530, 161176), (40294, 122120), (48848, 100735), (61060, 80588)]