7907440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 18592560

約数和(自身を除く): 10685120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1019, 1552, 1940, 2038, 3880, 4076, 5095, 7760, 8152, 10190, 16304, 20380, 40760, 81520, 98843, 197686, 395372, 494215, 790744, 988430, 1581488, 1976860, 3953720, 7907440]

約数ペア:

[(1, 7907440), (2, 3953720), (4, 1976860), (5, 1581488), (8, 988430), (10, 790744), (16, 494215), (20, 395372), (40, 197686), (80, 98843), (97, 81520), (194, 40760), (388, 20380), (485, 16304), (776, 10190), (970, 8152), (1019, 7760), (1552, 5095), (1940, 4076), (2038, 3880)]