667872880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491083}}^1$

素因数の和:491113

約数の個数: 40

約数和(自身を含む): 1644149232

約数和(自身を除く): 976276352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 491083, 982166, 1964332, 2455415, 3928664, 4910830, 7857328, 8348411, 9821660, 16696822, 19643320, 33393644, 39286640, 41742055, 66787288, 83484110, 133574576, 166968220, 333936440, 667872880]

約数ペア:

[(1, 667872880), (2, 333936440), (4, 166968220), (5, 133574576), (8, 83484110), (10, 66787288), (16, 41742055), (17, 39286640), (20, 33393644), (34, 19643320), (40, 16696822), (68, 9821660), (80, 8348411), (85, 7857328), (136, 4910830), (170, 3928664), (272, 2455415), (340, 1964332), (680, 982166), (1360, 491083)]