78353920

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:391

約数の個数: 80

約数和(自身を含む): 190130688

約数和(自身を除く): 111776768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 241, 254, 256, 320, 482, 508, 512, 635, 640, 964, 1016, 1205, 1270, 1280, 1928, 2032, 2410, 2540, 2560, 3856, 4064, 4820, 5080, 7712, 8128, 9640, 10160, 15424, 16256, 19280, 20320, 30607, 30848, 32512, 38560, 40640, 61214, 61696, 65024, 77120, 81280, 122428, 123392, 153035, 154240, 162560, 244856, 306070, 308480, 325120, 489712, 612140, 616960, 979424, 1224280, 1958848, 2448560, 3917696, 4897120, 7835392, 9794240, 15670784, 19588480, 39176960, 78353920]

約数ペア:

[(1, 78353920), (2, 39176960), (4, 19588480), (5, 15670784), (8, 9794240), (10, 7835392), (16, 4897120), (20, 3917696), (32, 2448560), (40, 1958848), (64, 1224280), (80, 979424), (127, 616960), (128, 612140), (160, 489712), (241, 325120), (254, 308480), (256, 306070), (320, 244856), (482, 162560), (508, 154240), (512, 153035), (635, 123392), (640, 122428), (964, 81280), (1016, 77120), (1205, 65024), (1270, 61696), (1280, 61214), (1928, 40640), (2032, 38560), (2410, 32512), (2540, 30848), (2560, 30607), (3856, 20320), (4064, 19280), (4820, 16256), (5080, 15424), (7712, 10160), (8128, 9640)]