10000420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 22619520

約数和(自身を除く): 12619100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 439, 670, 878, 1139, 1340, 1756, 2195, 2278, 4390, 4556, 5695, 7463, 8780, 11390, 14926, 22780, 29413, 29852, 37315, 58826, 74630, 117652, 147065, 149260, 294130, 500021, 588260, 1000042, 2000084, 2500105, 5000210, 10000420]

約数ペア:

[(1, 10000420), (2, 5000210), (4, 2500105), (5, 2000084), (10, 1000042), (17, 588260), (20, 500021), (34, 294130), (67, 149260), (68, 147065), (85, 117652), (134, 74630), (170, 58826), (268, 37315), (335, 29852), (340, 29413), (439, 22780), (670, 14926), (878, 11390), (1139, 8780), (1340, 7463), (1756, 5695), (2195, 4556), (2278, 4390)]