4443440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 10497840

約数和(自身を除く): 6054400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 829, 1072, 1340, 1658, 2680, 3316, 4145, 5360, 6632, 8290, 13264, 16580, 33160, 55543, 66320, 111086, 222172, 277715, 444344, 555430, 888688, 1110860, 2221720, 4443440]

約数ペア:

[(1, 4443440), (2, 2221720), (4, 1110860), (5, 888688), (8, 555430), (10, 444344), (16, 277715), (20, 222172), (40, 111086), (67, 66320), (80, 55543), (134, 33160), (268, 16580), (335, 13264), (536, 8290), (670, 6632), (829, 5360), (1072, 4145), (1340, 3316), (1658, 2680)]