47121920

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 80

約数和(自身を含む): 114903360

約数和(自身を除く): 67781440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 233, 256, 316, 320, 395, 466, 512, 632, 640, 790, 932, 1165, 1264, 1280, 1580, 1864, 2330, 2528, 2560, 3160, 3728, 4660, 5056, 6320, 7456, 9320, 10112, 12640, 14912, 18407, 18640, 20224, 25280, 29824, 36814, 37280, 40448, 50560, 59648, 73628, 74560, 92035, 101120, 119296, 147256, 149120, 184070, 202240, 294512, 298240, 368140, 589024, 596480, 736280, 1178048, 1472560, 2356096, 2945120, 4712192, 5890240, 9424384, 11780480, 23560960, 47121920]

約数ペア:

[(1, 47121920), (2, 23560960), (4, 11780480), (5, 9424384), (8, 5890240), (10, 4712192), (16, 2945120), (20, 2356096), (32, 1472560), (40, 1178048), (64, 736280), (79, 596480), (80, 589024), (128, 368140), (158, 298240), (160, 294512), (233, 202240), (256, 184070), (316, 149120), (320, 147256), (395, 119296), (466, 101120), (512, 92035), (632, 74560), (640, 73628), (790, 59648), (932, 50560), (1165, 40448), (1264, 37280), (1280, 36814), (1580, 29824), (1864, 25280), (2330, 20224), (2528, 18640), (2560, 18407), (3160, 14912), (3728, 12640), (4660, 10112), (5056, 9320), (6320, 7456)]