20132640515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1\times {\mathrm{3947}}^1$

素因数の和:4871

約数の個数: 32

約数和(自身を含む): 26324948160

約数和(自身を除く): 6192307645

約数列:

[1, 5, 13, 65, 97, 485, 809, 1261, 3947, 4045, 6305, 10517, 19735, 51311, 52585, 78473, 256555, 382859, 392365, 1020149, 1914295, 3193123, 4977167, 5100745, 15965615, 24885835, 41510599, 207552995, 309732931, 1548664655, 4026528103, 20132640515]

約数ペア:

[(1, 20132640515), (5, 4026528103), (13, 1548664655), (65, 309732931), (97, 207552995), (485, 41510599), (809, 24885835), (1261, 15965615), (3947, 5100745), (4045, 4977167), (6305, 3193123), (10517, 1914295), (19735, 1020149), (51311, 392365), (52585, 382859), (78473, 256555)]