40865940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9909

約数の個数: 72

約数和(自身を含む): 129362688

約数和(自身を除く): 88496748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 9871, 19742, 29613, 39484, 49355, 59226, 88839, 98710, 118452, 148065, 177678, 197420, 227033, 296130, 355356, 444195, 454066, 592260, 681099, 888390, 908132, 1135165, 1362198, 1776780, 2043297, 2270330, 2724396, 3405495, 4086594, 4540660, 6810990, 8173188, 10216485, 13621980, 20432970, 40865940]

約数ペア:

[(1, 40865940), (2, 20432970), (3, 13621980), (4, 10216485), (5, 8173188), (6, 6810990), (9, 4540660), (10, 4086594), (12, 3405495), (15, 2724396), (18, 2270330), (20, 2043297), (23, 1776780), (30, 1362198), (36, 1135165), (45, 908132), (46, 888390), (60, 681099), (69, 592260), (90, 454066), (92, 444195), (115, 355356), (138, 296130), (180, 227033), (207, 197420), (230, 177678), (276, 148065), (345, 118452), (414, 98710), (460, 88839), (690, 59226), (828, 49355), (1035, 39484), (1380, 29613), (2070, 19742), (4140, 9871)]