39942800

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1716

約数の個数: 60

約数和(自身を含む): 97595316

約数和(自身を除く): 57652516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 1637, 2440, 3050, 3274, 4880, 6100, 6548, 8185, 12200, 13096, 16370, 24400, 26192, 32740, 40925, 65480, 81850, 99857, 130960, 163700, 199714, 327400, 399428, 499285, 654800, 798856, 998570, 1597712, 1997140, 2496425, 3994280, 4992850, 7988560, 9985700, 19971400, 39942800]

約数ペア:

[(1, 39942800), (2, 19971400), (4, 9985700), (5, 7988560), (8, 4992850), (10, 3994280), (16, 2496425), (20, 1997140), (25, 1597712), (40, 998570), (50, 798856), (61, 654800), (80, 499285), (100, 399428), (122, 327400), (200, 199714), (244, 163700), (305, 130960), (400, 99857), (488, 81850), (610, 65480), (976, 40925), (1220, 32740), (1525, 26192), (1637, 24400), (2440, 16370), (3050, 13096), (3274, 12200), (4880, 8185), (6100, 6548)]