90027760

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8861}}^1$

素因数の和:9001

約数の個数: 40

約数和(自身を含む): 210986496

約数和(自身を除く): 120958736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 8861, 10160, 17722, 35444, 44305, 70888, 88610, 141776, 177220, 354440, 708880, 1125347, 2250694, 4501388, 5626735, 9002776, 11253470, 18005552, 22506940, 45013880, 90027760]

約数ペア:

[(1, 90027760), (2, 45013880), (4, 22506940), (5, 18005552), (8, 11253470), (10, 9002776), (16, 5626735), (20, 4501388), (40, 2250694), (80, 1125347), (127, 708880), (254, 354440), (508, 177220), (635, 141776), (1016, 88610), (1270, 70888), (2032, 44305), (2540, 35444), (5080, 17722), (8861, 10160)]