80030840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 187349760

約数和(自身を除く): 107318920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 233, 248, 277, 310, 466, 554, 620, 932, 1108, 1165, 1240, 1385, 1864, 2216, 2330, 2770, 4660, 5540, 7223, 8587, 9320, 11080, 14446, 17174, 28892, 34348, 36115, 42935, 57784, 64541, 68696, 72230, 85870, 129082, 144460, 171740, 258164, 288920, 322705, 343480, 516328, 645410, 1290820, 2000771, 2581640, 4001542, 8003084, 10003855, 16006168, 20007710, 40015420, 80030840]

約数ペア:

[(1, 80030840), (2, 40015420), (4, 20007710), (5, 16006168), (8, 10003855), (10, 8003084), (20, 4001542), (31, 2581640), (40, 2000771), (62, 1290820), (124, 645410), (155, 516328), (233, 343480), (248, 322705), (277, 288920), (310, 258164), (466, 171740), (554, 144460), (620, 129082), (932, 85870), (1108, 72230), (1165, 68696), (1240, 64541), (1385, 57784), (1864, 42935), (2216, 36115), (2330, 34348), (2770, 28892), (4660, 17174), (5540, 14446), (7223, 11080), (8587, 9320)]