8842520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 20956320

約数和(自身を除く): 12113800

約数列:

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

約数ペア:

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