28287440

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1019}}^1$

素因数の和:1379

約数の個数: 40

約数和(自身を含む): 66022560

約数和(自身を除く): 37735120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1019, 1388, 1735, 2038, 2776, 3470, 4076, 5095, 5552, 6940, 8152, 10190, 13880, 16304, 20380, 27760, 40760, 81520, 353593, 707186, 1414372, 1767965, 2828744, 3535930, 5657488, 7071860, 14143720, 28287440]

約数ペア:

[(1, 28287440), (2, 14143720), (4, 7071860), (5, 5657488), (8, 3535930), (10, 2828744), (16, 1767965), (20, 1414372), (40, 707186), (80, 353593), (347, 81520), (694, 40760), (1019, 27760), (1388, 20380), (1735, 16304), (2038, 13880), (2776, 10190), (3470, 8152), (4076, 6940), (5095, 5552)]