128410040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 325488240

約数和(自身を除く): 197078200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 172, 215, 220, 242, 344, 430, 440, 473, 484, 605, 617, 860, 946, 968, 1210, 1234, 1720, 1892, 2365, 2420, 2468, 3085, 3784, 4730, 4840, 4936, 5203, 6170, 6787, 9460, 10406, 12340, 13574, 18920, 20812, 24680, 26015, 26531, 27148, 33935, 41624, 52030, 53062, 54296, 67870, 74657, 104060, 106124, 132655, 135740, 149314, 208120, 212248, 265310, 271480, 291841, 298628, 373285, 530620, 583682, 597256, 746570, 1061240, 1167364, 1459205, 1493140, 2334728, 2918410, 2986280, 3210251, 5836820, 6420502, 11673640, 12841004, 16051255, 25682008, 32102510, 64205020, 128410040]

約数ペア:

[(1, 128410040), (2, 64205020), (4, 32102510), (5, 25682008), (8, 16051255), (10, 12841004), (11, 11673640), (20, 6420502), (22, 5836820), (40, 3210251), (43, 2986280), (44, 2918410), (55, 2334728), (86, 1493140), (88, 1459205), (110, 1167364), (121, 1061240), (172, 746570), (215, 597256), (220, 583682), (242, 530620), (344, 373285), (430, 298628), (440, 291841), (473, 271480), (484, 265310), (605, 212248), (617, 208120), (860, 149314), (946, 135740), (968, 132655), (1210, 106124), (1234, 104060), (1720, 74657), (1892, 67870), (2365, 54296), (2420, 53062), (2468, 52030), (3085, 41624), (3784, 33935), (4730, 27148), (4840, 26531), (4936, 26015), (5203, 24680), (6170, 20812), (6787, 18920), (9460, 13574), (10406, 12340)]