98673920

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 238608384

約数和(自身を除く): 139934464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 607, 635, 640, 1016, 1214, 1270, 1280, 2032, 2428, 2540, 3035, 4064, 4856, 5080, 6070, 8128, 9712, 10160, 12140, 16256, 19424, 20320, 24280, 32512, 38848, 40640, 48560, 77089, 77696, 81280, 97120, 154178, 155392, 162560, 194240, 308356, 385445, 388480, 616712, 770890, 776960, 1233424, 1541780, 2466848, 3083560, 4933696, 6167120, 9867392, 12334240, 19734784, 24668480, 49336960, 98673920]

約数ペア:

[(1, 98673920), (2, 49336960), (4, 24668480), (5, 19734784), (8, 12334240), (10, 9867392), (16, 6167120), (20, 4933696), (32, 3083560), (40, 2466848), (64, 1541780), (80, 1233424), (127, 776960), (128, 770890), (160, 616712), (254, 388480), (256, 385445), (320, 308356), (508, 194240), (607, 162560), (635, 155392), (640, 154178), (1016, 97120), (1214, 81280), (1270, 77696), (1280, 77089), (2032, 48560), (2428, 40640), (2540, 38848), (3035, 32512), (4064, 24280), (4856, 20320), (5080, 19424), (6070, 16256), (8128, 12140), (9712, 10160)]