7940480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 20012400

約数和(自身を除く): 12071920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 653, 760, 1216, 1306, 1520, 2432, 2612, 3040, 3265, 5224, 6080, 6530, 10448, 12160, 12407, 13060, 20896, 24814, 26120, 41792, 49628, 52240, 62035, 83584, 99256, 104480, 124070, 198512, 208960, 248140, 397024, 417920, 496280, 794048, 992560, 1588096, 1985120, 3970240, 7940480]

約数ペア:

[(1, 7940480), (2, 3970240), (4, 1985120), (5, 1588096), (8, 992560), (10, 794048), (16, 496280), (19, 417920), (20, 397024), (32, 248140), (38, 208960), (40, 198512), (64, 124070), (76, 104480), (80, 99256), (95, 83584), (128, 62035), (152, 52240), (160, 49628), (190, 41792), (304, 26120), (320, 24814), (380, 20896), (608, 13060), (640, 12407), (653, 12160), (760, 10448), (1216, 6530), (1306, 6080), (1520, 5224), (2432, 3265), (2612, 3040)]