2552240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:597

約数の個数: 40

約数和(自身を含む): 6042768

約数和(自身を除く): 3490528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 523, 610, 976, 1046, 1220, 2092, 2440, 2615, 4184, 4880, 5230, 8368, 10460, 20920, 31903, 41840, 63806, 127612, 159515, 255224, 319030, 510448, 638060, 1276120, 2552240]

約数ペア:

[(1, 2552240), (2, 1276120), (4, 638060), (5, 510448), (8, 319030), (10, 255224), (16, 159515), (20, 127612), (40, 63806), (61, 41840), (80, 31903), (122, 20920), (244, 10460), (305, 8368), (488, 5230), (523, 4880), (610, 4184), (976, 2615), (1046, 2440), (1220, 2092)]