18070480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7789}}^1$

素因数の和:7831

約数の個数: 40

約数和(自身を含む): 43468200

約数和(自身を除く): 25397720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7789, 15578, 31156, 38945, 62312, 77890, 124624, 155780, 225881, 311560, 451762, 623120, 903524, 1129405, 1807048, 2258810, 3614096, 4517620, 9035240, 18070480]

約数ペア:

[(1, 18070480), (2, 9035240), (4, 4517620), (5, 3614096), (8, 2258810), (10, 1807048), (16, 1129405), (20, 903524), (29, 623120), (40, 451762), (58, 311560), (80, 225881), (116, 155780), (145, 124624), (232, 77890), (290, 62312), (464, 38945), (580, 31156), (1160, 15578), (2320, 7789)]