13249120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4903

約数の個数: 48

約数和(自身を含む): 33149088

約数和(自身を除く): 19899968

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, 4871, 9742, 19484, 24355, 38968, 48710, 77936, 82807, 97420, 155872, 165614, 194840, 331228, 389680, 414035, 662456, 779360, 828070, 1324912, 1656140, 2649824, 3312280, 6624560, 13249120]

約数ペア:

[(1, 13249120), (2, 6624560), (4, 3312280), (5, 2649824), (8, 1656140), (10, 1324912), (16, 828070), (17, 779360), (20, 662456), (32, 414035), (34, 389680), (40, 331228), (68, 194840), (80, 165614), (85, 155872), (136, 97420), (160, 82807), (170, 77936), (272, 48710), (340, 38968), (544, 24355), (680, 19484), (1360, 9742), (2720, 4871)]