8412520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 19926720

約数和(自身を除く): 11514200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 73, 86, 134, 146, 172, 215, 268, 292, 335, 344, 365, 430, 536, 584, 670, 730, 860, 1340, 1460, 1720, 2680, 2881, 2920, 3139, 4891, 5762, 6278, 9782, 11524, 12556, 14405, 15695, 19564, 23048, 24455, 25112, 28810, 31390, 39128, 48910, 57620, 62780, 97820, 115240, 125560, 195640, 210313, 420626, 841252, 1051565, 1682504, 2103130, 4206260, 8412520]

約数ペア:

[(1, 8412520), (2, 4206260), (4, 2103130), (5, 1682504), (8, 1051565), (10, 841252), (20, 420626), (40, 210313), (43, 195640), (67, 125560), (73, 115240), (86, 97820), (134, 62780), (146, 57620), (172, 48910), (215, 39128), (268, 31390), (292, 28810), (335, 25112), (344, 24455), (365, 23048), (430, 19564), (536, 15695), (584, 14405), (670, 12556), (730, 11524), (860, 9782), (1340, 6278), (1460, 5762), (1720, 4891), (2680, 3139), (2881, 2920)]