27983680

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 67180968

約数和(自身を除く): 39197288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 557, 628, 785, 1114, 1256, 1570, 2228, 2512, 2785, 3140, 4456, 5024, 5570, 6280, 8912, 10048, 11140, 12560, 17824, 22280, 25120, 35648, 44560, 50240, 87449, 89120, 174898, 178240, 349796, 437245, 699592, 874490, 1399184, 1748980, 2798368, 3497960, 5596736, 6995920, 13991840, 27983680]

約数ペア:

[(1, 27983680), (2, 13991840), (4, 6995920), (5, 5596736), (8, 3497960), (10, 2798368), (16, 1748980), (20, 1399184), (32, 874490), (40, 699592), (64, 437245), (80, 349796), (157, 178240), (160, 174898), (314, 89120), (320, 87449), (557, 50240), (628, 44560), (785, 35648), (1114, 25120), (1256, 22280), (1570, 17824), (2228, 12560), (2512, 11140), (2785, 10048), (3140, 8912), (4456, 6280), (5024, 5570)]