1985120

素因数分解:

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

素因数の和:687

約数の個数: 48

約数和(自身を含む): 4944240

約数和(自身を除く): 2959120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 653, 760, 1306, 1520, 2612, 3040, 3265, 5224, 6530, 10448, 12407, 13060, 20896, 24814, 26120, 49628, 52240, 62035, 99256, 104480, 124070, 198512, 248140, 397024, 496280, 992560, 1985120]

約数ペア:

[(1, 1985120), (2, 992560), (4, 496280), (5, 397024), (8, 248140), (10, 198512), (16, 124070), (19, 104480), (20, 99256), (32, 62035), (38, 52240), (40, 49628), (76, 26120), (80, 24814), (95, 20896), (152, 13060), (160, 12407), (190, 10448), (304, 6530), (380, 5224), (608, 3265), (653, 3040), (760, 2612), (1306, 1520)]