17685040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 25624688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 97, 106, 172, 194, 212, 215, 265, 344, 388, 424, 430, 485, 530, 688, 776, 848, 860, 970, 1060, 1552, 1720, 1940, 2120, 2279, 3440, 3880, 4171, 4240, 4558, 5141, 7760, 8342, 9116, 10282, 11395, 16684, 18232, 20564, 20855, 22790, 25705, 33368, 36464, 41128, 41710, 45580, 51410, 66736, 82256, 83420, 91160, 102820, 166840, 182320, 205640, 221063, 333680, 411280, 442126, 884252, 1105315, 1768504, 2210630, 3537008, 4421260, 8842520, 17685040]

約数ペア:

[(1, 17685040), (2, 8842520), (4, 4421260), (5, 3537008), (8, 2210630), (10, 1768504), (16, 1105315), (20, 884252), (40, 442126), (43, 411280), (53, 333680), (80, 221063), (86, 205640), (97, 182320), (106, 166840), (172, 102820), (194, 91160), (212, 83420), (215, 82256), (265, 66736), (344, 51410), (388, 45580), (424, 41710), (430, 41128), (485, 36464), (530, 33368), (688, 25705), (776, 22790), (848, 20855), (860, 20564), (970, 18232), (1060, 16684), (1552, 11395), (1720, 10282), (1940, 9116), (2120, 8342), (2279, 7760), (3440, 5141), (3880, 4558), (4171, 4240)]