79885600

素因数分解:

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

素因数の和:1718

約数の個数: 72

約数和(自身を含む): 198338868

約数和(自身を除く): 118453268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 160, 200, 244, 305, 400, 488, 610, 800, 976, 1220, 1525, 1637, 1952, 2440, 3050, 3274, 4880, 6100, 6548, 8185, 9760, 12200, 13096, 16370, 24400, 26192, 32740, 40925, 48800, 52384, 65480, 81850, 99857, 130960, 163700, 199714, 261920, 327400, 399428, 499285, 654800, 798856, 998570, 1309600, 1597712, 1997140, 2496425, 3195424, 3994280, 4992850, 7988560, 9985700, 15977120, 19971400, 39942800, 79885600]

約数ペア:

[(1, 79885600), (2, 39942800), (4, 19971400), (5, 15977120), (8, 9985700), (10, 7988560), (16, 4992850), (20, 3994280), (25, 3195424), (32, 2496425), (40, 1997140), (50, 1597712), (61, 1309600), (80, 998570), (100, 798856), (122, 654800), (160, 499285), (200, 399428), (244, 327400), (305, 261920), (400, 199714), (488, 163700), (610, 130960), (800, 99857), (976, 81850), (1220, 65480), (1525, 52384), (1637, 48800), (1952, 40925), (2440, 32740), (3050, 26192), (3274, 24400), (4880, 16370), (6100, 13096), (6548, 12200), (8185, 9760)]