26517280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9749}}^1$

素因数の和:9781

約数の個数: 48

約数和(自身を含む): 66339000

約数和(自身を除く): 39821720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9749, 19498, 38996, 48745, 77992, 97490, 155984, 165733, 194980, 311968, 331466, 389960, 662932, 779920, 828665, 1325864, 1559840, 1657330, 2651728, 3314660, 5303456, 6629320, 13258640, 26517280]

約数ペア:

[(1, 26517280), (2, 13258640), (4, 6629320), (5, 5303456), (8, 3314660), (10, 2651728), (16, 1657330), (17, 1559840), (20, 1325864), (32, 828665), (34, 779920), (40, 662932), (68, 389960), (80, 331466), (85, 311968), (136, 194980), (160, 165733), (170, 155984), (272, 97490), (340, 77992), (544, 48745), (680, 38996), (1360, 19498), (2720, 9749)]