25123281088

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1215329}}^1$

素因数の和:1215377

約数の個数: 56

約数和(自身を含む): 55564887600

約数和(自身を除く): 30441606512

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2584, 5168, 10336, 20672, 1215329, 2430658, 4861316, 9722632, 19445264, 20660593, 23091251, 38890528, 41321186, 46182502, 77781056, 82642372, 92365004, 165284744, 184730008, 330569488, 369460016, 392551267, 661138976, 738920032, 785102534, 1322277952, 1477840064, 1570205068, 3140410136, 6280820272, 12561640544, 25123281088]

約数ペア:

[(1, 25123281088), (2, 12561640544), (4, 6280820272), (8, 3140410136), (16, 1570205068), (17, 1477840064), (19, 1322277952), (32, 785102534), (34, 738920032), (38, 661138976), (64, 392551267), (68, 369460016), (76, 330569488), (136, 184730008), (152, 165284744), (272, 92365004), (304, 82642372), (323, 77781056), (544, 46182502), (608, 41321186), (646, 38890528), (1088, 23091251), (1216, 20660593), (1292, 19445264), (2584, 9722632), (5168, 4861316), (10336, 2430658), (20672, 1215329)]