201959420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25057}}^1$

素因数の和:25110

約数の個数: 48

約数和(自身を含む): 471491328

約数和(自身を除く): 269531908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25057, 50114, 100228, 125285, 250570, 325741, 501140, 651482, 776767, 1302964, 1553534, 1628705, 3107068, 3257410, 3883835, 6514820, 7767670, 10097971, 15535340, 20195942, 40391884, 50489855, 100979710, 201959420]

約数ペア:

[(1, 201959420), (2, 100979710), (4, 50489855), (5, 40391884), (10, 20195942), (13, 15535340), (20, 10097971), (26, 7767670), (31, 6514820), (52, 3883835), (62, 3257410), (65, 3107068), (124, 1628705), (130, 1553534), (155, 1302964), (260, 776767), (310, 651482), (403, 501140), (620, 325741), (806, 250570), (1612, 125285), (2015, 100228), (4030, 50114), (8060, 25057)]