99128080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39971}}^1$

素因数の和:40015

約数の個数: 40

約数和(自身を含む): 237913344

約数和(自身を除く): 138785264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 39971, 79942, 159884, 199855, 319768, 399710, 639536, 799420, 1239101, 1598840, 2478202, 3197680, 4956404, 6195505, 9912808, 12391010, 19825616, 24782020, 49564040, 99128080]

約数ペア:

[(1, 99128080), (2, 49564040), (4, 24782020), (5, 19825616), (8, 12391010), (10, 9912808), (16, 6195505), (20, 4956404), (31, 3197680), (40, 2478202), (62, 1598840), (80, 1239101), (124, 799420), (155, 639536), (248, 399710), (310, 319768), (496, 199855), (620, 159884), (1240, 79942), (2480, 39971)]