40724565520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{12569}}^1$

素因数の和:13084

約数の個数: 80

約数和(自身を含む): 95868172080

約数和(自身を除く): 55143606560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 401, 404, 505, 802, 808, 1010, 1604, 1616, 2005, 2020, 3208, 4010, 4040, 6416, 8020, 8080, 12569, 16040, 25138, 32080, 40501, 50276, 62845, 81002, 100552, 125690, 162004, 201104, 202505, 251380, 324008, 405010, 502760, 648016, 810020, 1005520, 1269469, 1620040, 2538938, 3240080, 5040169, 5077876, 6347345, 10080338, 10155752, 12694690, 20160676, 20311504, 25200845, 25389380, 40321352, 50401690, 50778760, 80642704, 100803380, 101557520, 201606760, 403213520, 509057069, 1018114138, 2036228276, 2545285345, 4072456552, 5090570690, 8144913104, 10181141380, 20362282760, 40724565520]

約数ペア:

[(1, 40724565520), (2, 20362282760), (4, 10181141380), (5, 8144913104), (8, 5090570690), (10, 4072456552), (16, 2545285345), (20, 2036228276), (40, 1018114138), (80, 509057069), (101, 403213520), (202, 201606760), (401, 101557520), (404, 100803380), (505, 80642704), (802, 50778760), (808, 50401690), (1010, 40321352), (1604, 25389380), (1616, 25200845), (2005, 20311504), (2020, 20160676), (3208, 12694690), (4010, 10155752), (4040, 10080338), (6416, 6347345), (8020, 5077876), (8080, 5040169), (12569, 3240080), (16040, 2538938), (25138, 1620040), (32080, 1269469), (40501, 1005520), (50276, 810020), (62845, 648016), (81002, 502760), (100552, 405010), (125690, 324008), (162004, 251380), (201104, 202505)]