39961408

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 85039200

約数和(自身を除く): 45077792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 152, 236, 304, 472, 557, 608, 944, 1114, 1121, 1216, 1888, 2228, 2242, 3776, 4456, 4484, 8912, 8968, 10583, 17824, 17936, 21166, 32863, 35648, 35872, 42332, 65726, 71744, 84664, 131452, 169328, 262904, 338656, 525808, 624397, 677312, 1051616, 1248794, 2103232, 2497588, 4995176, 9990352, 19980704, 39961408]

約数ペア:

[(1, 39961408), (2, 19980704), (4, 9990352), (8, 4995176), (16, 2497588), (19, 2103232), (32, 1248794), (38, 1051616), (59, 677312), (64, 624397), (76, 525808), (118, 338656), (152, 262904), (236, 169328), (304, 131452), (472, 84664), (557, 71744), (608, 65726), (944, 42332), (1114, 35872), (1121, 35648), (1216, 32863), (1888, 21166), (2228, 17936), (2242, 17824), (3776, 10583), (4456, 8968), (4484, 8912)]