129857480

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{9043}}^1$

素因数の和:9413

約数の個数: 32

約数和(自身を含む): 293025600

約数和(自身を除く): 163168120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 9043, 14360, 18086, 36172, 45215, 72344, 90430, 180860, 361720, 3246437, 6492874, 12985748, 16232185, 25971496, 32464370, 64928740, 129857480]

約数ペア:

[(1, 129857480), (2, 64928740), (4, 32464370), (5, 25971496), (8, 16232185), (10, 12985748), (20, 6492874), (40, 3246437), (359, 361720), (718, 180860), (1436, 90430), (1795, 72344), (2872, 45215), (3590, 36172), (7180, 18086), (9043, 14360)]