89387440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11519}}^1$

素因数の和:11629

約数の個数: 40

約数和(自身を含む): 209986560

約数和(自身を除く): 120599120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11519, 23038, 46076, 57595, 92152, 115190, 184304, 230380, 460760, 921520, 1117343, 2234686, 4469372, 5586715, 8938744, 11173430, 17877488, 22346860, 44693720, 89387440]

約数ペア:

[(1, 89387440), (2, 44693720), (4, 22346860), (5, 17877488), (8, 11173430), (10, 8938744), (16, 5586715), (20, 4469372), (40, 2234686), (80, 1117343), (97, 921520), (194, 460760), (388, 230380), (485, 184304), (776, 115190), (970, 92152), (1552, 57595), (1940, 46076), (3880, 23038), (7760, 11519)]