1984647680

素因数分解:

$2^9\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1433}}^1$

素因数の和:1997

約数の個数: 80

約数和(自身を含む): 4770625464

約数和(自身を除く): 2785977784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 541, 640, 1082, 1280, 1433, 2164, 2560, 2705, 2866, 4328, 5410, 5732, 7165, 8656, 10820, 11464, 14330, 17312, 21640, 22928, 28660, 34624, 43280, 45856, 57320, 69248, 86560, 91712, 114640, 138496, 173120, 183424, 229280, 276992, 346240, 366848, 458560, 692480, 733696, 775253, 917120, 1384960, 1550506, 1834240, 3101012, 3668480, 3876265, 6202024, 7752530, 12404048, 15505060, 24808096, 31010120, 49616192, 62020240, 99232384, 124040480, 198464768, 248080960, 396929536, 496161920, 992323840, 1984647680]

約数ペア:

[(1, 1984647680), (2, 992323840), (4, 496161920), (5, 396929536), (8, 248080960), (10, 198464768), (16, 124040480), (20, 99232384), (32, 62020240), (40, 49616192), (64, 31010120), (80, 24808096), (128, 15505060), (160, 12404048), (256, 7752530), (320, 6202024), (512, 3876265), (541, 3668480), (640, 3101012), (1082, 1834240), (1280, 1550506), (1433, 1384960), (2164, 917120), (2560, 775253), (2705, 733696), (2866, 692480), (4328, 458560), (5410, 366848), (5732, 346240), (7165, 276992), (8656, 229280), (10820, 183424), (11464, 173120), (14330, 138496), (17312, 114640), (21640, 91712), (22928, 86560), (28660, 69248), (34624, 57320), (43280, 45856)]