202161560

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{15269}}^1$

素因数の和:15611

約数の個数: 32

約数和(自身を含む): 456267600

約数和(自身を除く): 254106040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 15269, 30538, 61076, 76345, 122152, 152690, 305380, 610760, 5054039, 10108078, 20216156, 25270195, 40432312, 50540390, 101080780, 202161560]

約数ペア:

[(1, 202161560), (2, 101080780), (4, 50540390), (5, 40432312), (8, 25270195), (10, 20216156), (20, 10108078), (40, 5054039), (331, 610760), (662, 305380), (1324, 152690), (1655, 122152), (2648, 76345), (3310, 61076), (6620, 30538), (13240, 15269)]