8861420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 20049120

約数和(自身を除く): 11187700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 389, 670, 778, 1139, 1340, 1556, 1945, 2278, 3890, 4556, 5695, 6613, 7780, 11390, 13226, 22780, 26063, 26452, 33065, 52126, 66130, 104252, 130315, 132260, 260630, 443071, 521260, 886142, 1772284, 2215355, 4430710, 8861420]

約数ペア:

[(1, 8861420), (2, 4430710), (4, 2215355), (5, 1772284), (10, 886142), (17, 521260), (20, 443071), (34, 260630), (67, 132260), (68, 130315), (85, 104252), (134, 66130), (170, 52126), (268, 33065), (335, 26452), (340, 26063), (389, 22780), (670, 13226), (778, 11390), (1139, 7780), (1340, 6613), (1556, 5695), (1945, 4556), (2278, 3890)]