86975120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 209598192

約数和(自身を除く): 122623072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 73, 80, 106, 146, 212, 265, 281, 292, 365, 424, 530, 562, 584, 730, 848, 1060, 1124, 1168, 1405, 1460, 2120, 2248, 2810, 2920, 3869, 4240, 4496, 5620, 5840, 7738, 11240, 14893, 15476, 19345, 20513, 22480, 29786, 30952, 38690, 41026, 59572, 61904, 74465, 77380, 82052, 102565, 119144, 148930, 154760, 164104, 205130, 238288, 297860, 309520, 328208, 410260, 595720, 820520, 1087189, 1191440, 1641040, 2174378, 4348756, 5435945, 8697512, 10871890, 17395024, 21743780, 43487560, 86975120]

約数ペア:

[(1, 86975120), (2, 43487560), (4, 21743780), (5, 17395024), (8, 10871890), (10, 8697512), (16, 5435945), (20, 4348756), (40, 2174378), (53, 1641040), (73, 1191440), (80, 1087189), (106, 820520), (146, 595720), (212, 410260), (265, 328208), (281, 309520), (292, 297860), (365, 238288), (424, 205130), (530, 164104), (562, 154760), (584, 148930), (730, 119144), (848, 102565), (1060, 82052), (1124, 77380), (1168, 74465), (1405, 61904), (1460, 59572), (2120, 41026), (2248, 38690), (2810, 30952), (2920, 29786), (3869, 22480), (4240, 20513), (4496, 19345), (5620, 15476), (5840, 14893), (7738, 11240)]