3968960

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 56

約数和(自身を含む): 9631680

約数和(自身を除く): 5662720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 157, 158, 160, 314, 316, 320, 395, 628, 632, 785, 790, 1256, 1264, 1570, 1580, 2512, 2528, 3140, 3160, 5024, 5056, 6280, 6320, 10048, 12403, 12560, 12640, 24806, 25120, 25280, 49612, 50240, 62015, 99224, 124030, 198448, 248060, 396896, 496120, 793792, 992240, 1984480, 3968960]

約数ペア:

[(1, 3968960), (2, 1984480), (4, 992240), (5, 793792), (8, 496120), (10, 396896), (16, 248060), (20, 198448), (32, 124030), (40, 99224), (64, 62015), (79, 50240), (80, 49612), (157, 25280), (158, 25120), (160, 24806), (314, 12640), (316, 12560), (320, 12403), (395, 10048), (628, 6320), (632, 6280), (785, 5056), (790, 5024), (1256, 3160), (1264, 3140), (1570, 2528), (1580, 2512)]