18128480

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3951

約数の個数: 48

約数和(自身を含む): 44316720

約数和(自身を除く): 26188240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 3907, 4640, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 113303, 125024, 156280, 226606, 312560, 453212, 566515, 625120, 906424, 1133030, 1812848, 2266060, 3625696, 4532120, 9064240, 18128480]

約数ペア:

[(1, 18128480), (2, 9064240), (4, 4532120), (5, 3625696), (8, 2266060), (10, 1812848), (16, 1133030), (20, 906424), (29, 625120), (32, 566515), (40, 453212), (58, 312560), (80, 226606), (116, 156280), (145, 125024), (160, 113303), (232, 78140), (290, 62512), (464, 39070), (580, 31256), (928, 19535), (1160, 15628), (2320, 7814), (3907, 4640)]