89391440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65729}}^1$

素因数の和:65759

約数の個数: 40

約数和(自身を含む): 220064040

約数和(自身を除く): 130672600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 65729, 131458, 262916, 328645, 525832, 657290, 1051664, 1117393, 1314580, 2234786, 2629160, 4469572, 5258320, 5586965, 8939144, 11173930, 17878288, 22347860, 44695720, 89391440]

約数ペア:

[(1, 89391440), (2, 44695720), (4, 22347860), (5, 17878288), (8, 11173930), (10, 8939144), (16, 5586965), (17, 5258320), (20, 4469572), (34, 2629160), (40, 2234786), (68, 1314580), (80, 1117393), (85, 1051664), (136, 657290), (170, 525832), (272, 328645), (340, 262916), (680, 131458), (1360, 65729)]