6649040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4889}}^1$

素因数の和:4919

約数の個数: 40

約数和(自身を含む): 16371720

約数和(自身を除く): 9722680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 4889, 9778, 19556, 24445, 39112, 48890, 78224, 83113, 97780, 166226, 195560, 332452, 391120, 415565, 664904, 831130, 1329808, 1662260, 3324520, 6649040]

約数ペア:

[(1, 6649040), (2, 3324520), (4, 1662260), (5, 1329808), (8, 831130), (10, 664904), (16, 415565), (17, 391120), (20, 332452), (34, 195560), (40, 166226), (68, 97780), (80, 83113), (85, 78224), (136, 48890), (170, 39112), (272, 24445), (340, 19556), (680, 9778), (1360, 4889)]