81883600

素因数分解:

$2^4\times 5^2\times {\mathrm{269}}^1\times {\mathrm{761}}^1$

素因数の和:1048

約数の個数: 60

約数和(自身を含む): 197716140

約数和(自身を除く): 115832540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 269, 400, 538, 761, 1076, 1345, 1522, 2152, 2690, 3044, 3805, 4304, 5380, 6088, 6725, 7610, 10760, 12176, 13450, 15220, 19025, 21520, 26900, 30440, 38050, 53800, 60880, 76100, 107600, 152200, 204709, 304400, 409418, 818836, 1023545, 1637672, 2047090, 3275344, 4094180, 5117725, 8188360, 10235450, 16376720, 20470900, 40941800, 81883600]

約数ペア:

[(1, 81883600), (2, 40941800), (4, 20470900), (5, 16376720), (8, 10235450), (10, 8188360), (16, 5117725), (20, 4094180), (25, 3275344), (40, 2047090), (50, 1637672), (80, 1023545), (100, 818836), (200, 409418), (269, 304400), (400, 204709), (538, 152200), (761, 107600), (1076, 76100), (1345, 60880), (1522, 53800), (2152, 38050), (2690, 30440), (3044, 26900), (3805, 21520), (4304, 19025), (5380, 15220), (6088, 13450), (6725, 12176), (7610, 10760)]