20227600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:908

約数の個数: 60

約数和(自身を含む): 49453060

約数和(自身を除く): 29225460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 829, 976, 1220, 1525, 1658, 2440, 3050, 3316, 4145, 4880, 6100, 6632, 8290, 12200, 13264, 16580, 20725, 24400, 33160, 41450, 50569, 66320, 82900, 101138, 165800, 202276, 252845, 331600, 404552, 505690, 809104, 1011380, 1264225, 2022760, 2528450, 4045520, 5056900, 10113800, 20227600]

約数ペア:

[(1, 20227600), (2, 10113800), (4, 5056900), (5, 4045520), (8, 2528450), (10, 2022760), (16, 1264225), (20, 1011380), (25, 809104), (40, 505690), (50, 404552), (61, 331600), (80, 252845), (100, 202276), (122, 165800), (200, 101138), (244, 82900), (305, 66320), (400, 50569), (488, 41450), (610, 33160), (829, 24400), (976, 20725), (1220, 16580), (1525, 13264), (1658, 12200), (2440, 8290), (3050, 6632), (3316, 6100), (4145, 4880)]