39665920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 114791040

約数和(自身を除く): 75125120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 233, 256, 266, 280, 304, 320, 380, 448, 466, 532, 560, 608, 640, 665, 760, 896, 932, 1064, 1120, 1165, 1216, 1280, 1330, 1520, 1631, 1792, 1864, 2128, 2240, 2330, 2432, 2660, 3040, 3262, 3728, 4256, 4427, 4480, 4660, 4864, 5320, 6080, 6524, 7456, 8155, 8512, 8854, 8960, 9320, 10640, 12160, 13048, 14912, 16310, 17024, 17708, 18640, 21280, 22135, 24320, 26096, 29824, 30989, 32620, 34048, 35416, 37280, 42560, 44270, 52192, 59648, 61978, 65240, 70832, 74560, 85120, 88540, 104384, 123956, 130480, 141664, 149120, 154945, 170240, 177080, 208768, 247912, 260960, 283328, 298240, 309890, 354160, 417536, 495824, 521920, 566656, 619780, 708320, 991648, 1043840, 1133312, 1239560, 1416640, 1983296, 2087680, 2479120, 2833280, 3966592, 4958240, 5666560, 7933184, 9916480, 19832960, 39665920]

約数ペア:

[(1, 39665920), (2, 19832960), (4, 9916480), (5, 7933184), (7, 5666560), (8, 4958240), (10, 3966592), (14, 2833280), (16, 2479120), (19, 2087680), (20, 1983296), (28, 1416640), (32, 1239560), (35, 1133312), (38, 1043840), (40, 991648), (56, 708320), (64, 619780), (70, 566656), (76, 521920), (80, 495824), (95, 417536), (112, 354160), (128, 309890), (133, 298240), (140, 283328), (152, 260960), (160, 247912), (190, 208768), (224, 177080), (233, 170240), (256, 154945), (266, 149120), (280, 141664), (304, 130480), (320, 123956), (380, 104384), (448, 88540), (466, 85120), (532, 74560), (560, 70832), (608, 65240), (640, 61978), (665, 59648), (760, 52192), (896, 44270), (932, 42560), (1064, 37280), (1120, 35416), (1165, 34048), (1216, 32620), (1280, 30989), (1330, 29824), (1520, 26096), (1631, 24320), (1792, 22135), (1864, 21280), (2128, 18640), (2240, 17708), (2330, 17024), (2432, 16310), (2660, 14912), (3040, 13048), (3262, 12160), (3728, 10640), (4256, 9320), (4427, 8960), (4480, 8854), (4660, 8512), (4864, 8155), (5320, 7456), (6080, 6524)]