517354640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{25561}}^1$

素因数の和:25608

約数の個数: 80

約数和(自身を含む): 1369305216

約数和(自身を除く): 851950576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 25561, 51122, 102244, 127805, 204488, 255610, 281171, 408976, 511220, 562342, 587903, 1022440, 1124684, 1175806, 1405855, 2044880, 2249368, 2351612, 2811710, 2939515, 4498736, 4703224, 5623420, 5879030, 6466933, 9406448, 11246840, 11758060, 12933866, 22493680, 23516120, 25867732, 32334665, 47032240, 51735464, 64669330, 103470928, 129338660, 258677320, 517354640]

約数ペア:

[(1, 517354640), (2, 258677320), (4, 129338660), (5, 103470928), (8, 64669330), (10, 51735464), (11, 47032240), (16, 32334665), (20, 25867732), (22, 23516120), (23, 22493680), (40, 12933866), (44, 11758060), (46, 11246840), (55, 9406448), (80, 6466933), (88, 5879030), (92, 5623420), (110, 4703224), (115, 4498736), (176, 2939515), (184, 2811710), (220, 2351612), (230, 2249368), (253, 2044880), (368, 1405855), (440, 1175806), (460, 1124684), (506, 1022440), (880, 587903), (920, 562342), (1012, 511220), (1265, 408976), (1840, 281171), (2024, 255610), (2530, 204488), (4048, 127805), (5060, 102244), (10120, 51122), (20240, 25561)]