25068880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18433}}^1$

素因数の和:18463

約数の個数: 40

約数和(自身を含む): 61717032

約数和(自身を除く): 36648152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18433, 36866, 73732, 92165, 147464, 184330, 294928, 313361, 368660, 626722, 737320, 1253444, 1474640, 1566805, 2506888, 3133610, 5013776, 6267220, 12534440, 25068880]

約数ペア:

[(1, 25068880), (2, 12534440), (4, 6267220), (5, 5013776), (8, 3133610), (10, 2506888), (16, 1566805), (17, 1474640), (20, 1253444), (34, 737320), (40, 626722), (68, 368660), (80, 313361), (85, 294928), (136, 184330), (170, 147464), (272, 92165), (340, 73732), (680, 36866), (1360, 18433)]