13388440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25747}}^1$

素因数の和:25771

約数の個数: 32

約数和(自身を含む): 32442480

約数和(自身を除く): 19054040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25747, 51494, 102988, 128735, 205976, 257470, 334711, 514940, 669422, 1029880, 1338844, 1673555, 2677688, 3347110, 6694220, 13388440]

約数ペア:

[(1, 13388440), (2, 6694220), (4, 3347110), (5, 2677688), (8, 1673555), (10, 1338844), (13, 1029880), (20, 669422), (26, 514940), (40, 334711), (52, 257470), (65, 205976), (104, 128735), (130, 102988), (260, 51494), (520, 25747)]