84509440

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 204710688

約数和(自身を除く): 120201248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 515, 640, 641, 824, 1030, 1280, 1282, 1648, 2060, 2564, 3205, 3296, 4120, 5128, 6410, 6592, 8240, 10256, 12820, 13184, 16480, 20512, 25640, 26368, 32960, 41024, 51280, 65920, 66023, 82048, 102560, 131840, 132046, 164096, 205120, 264092, 330115, 410240, 528184, 660230, 820480, 1056368, 1320460, 2112736, 2640920, 4225472, 5281840, 8450944, 10563680, 16901888, 21127360, 42254720, 84509440]

約数ペア:

[(1, 84509440), (2, 42254720), (4, 21127360), (5, 16901888), (8, 10563680), (10, 8450944), (16, 5281840), (20, 4225472), (32, 2640920), (40, 2112736), (64, 1320460), (80, 1056368), (103, 820480), (128, 660230), (160, 528184), (206, 410240), (256, 330115), (320, 264092), (412, 205120), (515, 164096), (640, 132046), (641, 131840), (824, 102560), (1030, 82048), (1280, 66023), (1282, 65920), (1648, 51280), (2060, 41024), (2564, 32960), (3205, 26368), (3296, 25640), (4120, 20512), (5128, 16480), (6410, 13184), (6592, 12820), (8240, 10256)]