16618880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1171

約数の個数: 64

約数和(自身を含む): 41493600

約数和(自身を除く): 24874720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1129, 1472, 1840, 2258, 2944, 3680, 4516, 5645, 7360, 9032, 11290, 14720, 18064, 22580, 25967, 36128, 45160, 51934, 72256, 90320, 103868, 129835, 144512, 180640, 207736, 259670, 361280, 415472, 519340, 722560, 830944, 1038680, 1661888, 2077360, 3323776, 4154720, 8309440, 16618880]

約数ペア:

[(1, 16618880), (2, 8309440), (4, 4154720), (5, 3323776), (8, 2077360), (10, 1661888), (16, 1038680), (20, 830944), (23, 722560), (32, 519340), (40, 415472), (46, 361280), (64, 259670), (80, 207736), (92, 180640), (115, 144512), (128, 129835), (160, 103868), (184, 90320), (230, 72256), (320, 51934), (368, 45160), (460, 36128), (640, 25967), (736, 22580), (920, 18064), (1129, 14720), (1472, 11290), (1840, 9032), (2258, 7360), (2944, 5645), (3680, 4516)]