54243640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 141419520

約数和(自身を除く): 87175880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 47, 55, 61, 86, 88, 94, 110, 122, 172, 188, 215, 220, 235, 244, 305, 344, 376, 430, 440, 470, 473, 488, 517, 610, 671, 860, 940, 946, 1034, 1220, 1342, 1720, 1880, 1892, 2021, 2068, 2365, 2440, 2585, 2623, 2684, 2867, 3355, 3784, 4042, 4136, 4730, 5170, 5246, 5368, 5734, 6710, 8084, 9460, 10105, 10340, 10492, 11468, 13115, 13420, 14335, 16168, 18920, 20210, 20680, 20984, 22231, 22936, 26230, 26840, 28670, 28853, 31537, 40420, 44462, 52460, 57340, 57706, 63074, 80840, 88924, 104920, 111155, 114680, 115412, 123281, 126148, 144265, 157685, 177848, 222310, 230824, 246562, 252296, 288530, 315370, 444620, 493124, 577060, 616405, 630740, 889240, 986248, 1154120, 1232810, 1261480, 1356091, 2465620, 2712182, 4931240, 5424364, 6780455, 10848728, 13560910, 27121820, 54243640]

約数ペア:

[(1, 54243640), (2, 27121820), (4, 13560910), (5, 10848728), (8, 6780455), (10, 5424364), (11, 4931240), (20, 2712182), (22, 2465620), (40, 1356091), (43, 1261480), (44, 1232810), (47, 1154120), (55, 986248), (61, 889240), (86, 630740), (88, 616405), (94, 577060), (110, 493124), (122, 444620), (172, 315370), (188, 288530), (215, 252296), (220, 246562), (235, 230824), (244, 222310), (305, 177848), (344, 157685), (376, 144265), (430, 126148), (440, 123281), (470, 115412), (473, 114680), (488, 111155), (517, 104920), (610, 88924), (671, 80840), (860, 63074), (940, 57706), (946, 57340), (1034, 52460), (1220, 44462), (1342, 40420), (1720, 31537), (1880, 28853), (1892, 28670), (2021, 26840), (2068, 26230), (2365, 22936), (2440, 22231), (2585, 20984), (2623, 20680), (2684, 20210), (2867, 18920), (3355, 16168), (3784, 14335), (4042, 13420), (4136, 13115), (4730, 11468), (5170, 10492), (5246, 10340), (5368, 10105), (5734, 9460), (6710, 8084)]