99840520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 244445040

約数和(自身を除く): 144604520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1313, 1901, 2020, 2626, 3802, 4040, 5252, 6565, 7604, 9505, 10504, 13130, 15208, 19010, 24713, 26260, 38020, 49426, 52520, 76040, 98852, 123565, 192001, 197704, 247130, 384002, 494260, 768004, 960005, 988520, 1536008, 1920010, 2496013, 3840020, 4992026, 7680040, 9984052, 12480065, 19968104, 24960130, 49920260, 99840520]

約数ペア:

[(1, 99840520), (2, 49920260), (4, 24960130), (5, 19968104), (8, 12480065), (10, 9984052), (13, 7680040), (20, 4992026), (26, 3840020), (40, 2496013), (52, 1920010), (65, 1536008), (101, 988520), (104, 960005), (130, 768004), (202, 494260), (260, 384002), (404, 247130), (505, 197704), (520, 192001), (808, 123565), (1010, 98852), (1313, 76040), (1901, 52520), (2020, 49426), (2626, 38020), (3802, 26260), (4040, 24713), (5252, 19010), (6565, 15208), (7604, 13130), (9505, 10504)]