80910400

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:912

約数の個数: 84

約数和(自身を含む): 202598020

約数和(自身を除く): 121687620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 200, 244, 305, 320, 400, 488, 610, 800, 829, 976, 1220, 1525, 1600, 1658, 1952, 2440, 3050, 3316, 3904, 4145, 4880, 6100, 6632, 8290, 9760, 12200, 13264, 16580, 19520, 20725, 24400, 26528, 33160, 41450, 48800, 50569, 53056, 66320, 82900, 97600, 101138, 132640, 165800, 202276, 252845, 265280, 331600, 404552, 505690, 663200, 809104, 1011380, 1264225, 1326400, 1618208, 2022760, 2528450, 3236416, 4045520, 5056900, 8091040, 10113800, 16182080, 20227600, 40455200, 80910400]

約数ペア:

[(1, 80910400), (2, 40455200), (4, 20227600), (5, 16182080), (8, 10113800), (10, 8091040), (16, 5056900), (20, 4045520), (25, 3236416), (32, 2528450), (40, 2022760), (50, 1618208), (61, 1326400), (64, 1264225), (80, 1011380), (100, 809104), (122, 663200), (160, 505690), (200, 404552), (244, 331600), (305, 265280), (320, 252845), (400, 202276), (488, 165800), (610, 132640), (800, 101138), (829, 97600), (976, 82900), (1220, 66320), (1525, 53056), (1600, 50569), (1658, 48800), (1952, 41450), (2440, 33160), (3050, 26528), (3316, 24400), (3904, 20725), (4145, 19520), (4880, 16580), (6100, 13264), (6632, 12200), (8290, 9760)]