5438240

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 13177080

約数和(自身を除く): 7738840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 829, 1312, 1640, 1658, 3280, 3316, 4145, 6560, 6632, 8290, 13264, 16580, 26528, 33160, 33989, 66320, 67978, 132640, 135956, 169945, 271912, 339890, 543824, 679780, 1087648, 1359560, 2719120, 5438240]

約数ペア:

[(1, 5438240), (2, 2719120), (4, 1359560), (5, 1087648), (8, 679780), (10, 543824), (16, 339890), (20, 271912), (32, 169945), (40, 135956), (41, 132640), (80, 67978), (82, 66320), (160, 33989), (164, 33160), (205, 26528), (328, 16580), (410, 13264), (656, 8290), (820, 6632), (829, 6560), (1312, 4145), (1640, 3316), (1658, 3280)]