49905920

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 120873984

約数和(自身を除く): 70968064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 307, 320, 508, 614, 635, 640, 1016, 1228, 1270, 1280, 1535, 2032, 2456, 2540, 3070, 4064, 4912, 5080, 6140, 8128, 9824, 10160, 12280, 16256, 19648, 20320, 24560, 32512, 38989, 39296, 40640, 49120, 77978, 78592, 81280, 98240, 155956, 162560, 194945, 196480, 311912, 389890, 392960, 623824, 779780, 1247648, 1559560, 2495296, 3119120, 4990592, 6238240, 9981184, 12476480, 24952960, 49905920]

約数ペア:

[(1, 49905920), (2, 24952960), (4, 12476480), (5, 9981184), (8, 6238240), (10, 4990592), (16, 3119120), (20, 2495296), (32, 1559560), (40, 1247648), (64, 779780), (80, 623824), (127, 392960), (128, 389890), (160, 311912), (254, 196480), (256, 194945), (307, 162560), (320, 155956), (508, 98240), (614, 81280), (635, 78592), (640, 77978), (1016, 49120), (1228, 40640), (1270, 39296), (1280, 38989), (1535, 32512), (2032, 24560), (2456, 20320), (2540, 19648), (3070, 16256), (4064, 12280), (4912, 10160), (5080, 9824), (6140, 8128)]