12419600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:588

約数の個数: 60

約数和(自身を含む): 30386820

約数和(自身を除く): 17967220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 509, 610, 976, 1018, 1220, 1525, 2036, 2440, 2545, 3050, 4072, 4880, 5090, 6100, 8144, 10180, 12200, 12725, 20360, 24400, 25450, 31049, 40720, 50900, 62098, 101800, 124196, 155245, 203600, 248392, 310490, 496784, 620980, 776225, 1241960, 1552450, 2483920, 3104900, 6209800, 12419600]

約数ペア:

[(1, 12419600), (2, 6209800), (4, 3104900), (5, 2483920), (8, 1552450), (10, 1241960), (16, 776225), (20, 620980), (25, 496784), (40, 310490), (50, 248392), (61, 203600), (80, 155245), (100, 124196), (122, 101800), (200, 62098), (244, 50900), (305, 40720), (400, 31049), (488, 25450), (509, 24400), (610, 20360), (976, 12725), (1018, 12200), (1220, 10180), (1525, 8144), (2036, 6100), (2440, 5090), (2545, 4880), (3050, 4072)]