9937840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 26355456

約数和(自身を除く): 16417616

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, 491, 506, 880, 920, 982, 1012, 1265, 1840, 1964, 2024, 2455, 2530, 3928, 4048, 4910, 5060, 5401, 7856, 9820, 10120, 10802, 11293, 19640, 20240, 21604, 22586, 27005, 39280, 43208, 45172, 54010, 56465, 86416, 90344, 108020, 112930, 124223, 180688, 216040, 225860, 248446, 432080, 451720, 496892, 621115, 903440, 993784, 1242230, 1987568, 2484460, 4968920, 9937840]

約数ペア:

[(1, 9937840), (2, 4968920), (4, 2484460), (5, 1987568), (8, 1242230), (10, 993784), (11, 903440), (16, 621115), (20, 496892), (22, 451720), (23, 432080), (40, 248446), (44, 225860), (46, 216040), (55, 180688), (80, 124223), (88, 112930), (92, 108020), (110, 90344), (115, 86416), (176, 56465), (184, 54010), (220, 45172), (230, 43208), (253, 39280), (368, 27005), (440, 22586), (460, 21604), (491, 20240), (506, 19640), (880, 11293), (920, 10802), (982, 10120), (1012, 9820), (1265, 7856), (1840, 5401), (1964, 5060), (2024, 4910), (2455, 4048), (2530, 3928)]