28210870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 52708320

約数和(自身を除く): 24497450

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 829, 830, 1658, 3403, 4145, 6806, 8290, 17015, 33989, 34030, 67978, 68807, 137614, 169945, 339890, 344035, 688070, 2821087, 5642174, 14105435, 28210870]

約数ペア:

[(1, 28210870), (2, 14105435), (5, 5642174), (10, 2821087), (41, 688070), (82, 344035), (83, 339890), (166, 169945), (205, 137614), (410, 68807), (415, 67978), (829, 34030), (830, 33989), (1658, 17015), (3403, 8290), (4145, 6806)]