8944996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17201917}}^1$

素因数の和:17201941

約数の個数: 32

約数和(自身を含む): 21674416680

約数和(自身を除く): 12729419840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17201917, 34403834, 68807668, 86009585, 137615336, 172019170, 223624921, 344038340, 447249842, 688076680, 894499684, 1118124605, 1788999368, 2236249210, 4472498420, 8944996840]

約数ペア:

[(1, 8944996840), (2, 4472498420), (4, 2236249210), (5, 1788999368), (8, 1118124605), (10, 894499684), (13, 688076680), (20, 447249842), (26, 344038340), (40, 223624921), (52, 172019170), (65, 137615336), (104, 86009585), (130, 68807668), (260, 34403834), (520, 17201917)]