28458080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25409}}^1$

素因数の和:25431

約数の個数: 48

約数和(自身を含む): 76839840

約数和(自身を除く): 48381760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25409, 50818, 101636, 127045, 177863, 203272, 254090, 355726, 406544, 508180, 711452, 813088, 889315, 1016360, 1422904, 1778630, 2032720, 2845808, 3557260, 4065440, 5691616, 7114520, 14229040, 28458080]

約数ペア:

[(1, 28458080), (2, 14229040), (4, 7114520), (5, 5691616), (7, 4065440), (8, 3557260), (10, 2845808), (14, 2032720), (16, 1778630), (20, 1422904), (28, 1016360), (32, 889315), (35, 813088), (40, 711452), (56, 508180), (70, 406544), (80, 355726), (112, 254090), (140, 203272), (160, 177863), (224, 127045), (280, 101636), (560, 50818), (1120, 25409)]