164045180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20353}}^1$

素因数の和:20406

約数の個数: 48

約数和(自身を含む): 382980864

約数和(自身を除く): 218935684

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, 20353, 40706, 81412, 101765, 203530, 264589, 407060, 529178, 630943, 1058356, 1261886, 1322945, 2523772, 2645890, 3154715, 5291780, 6309430, 8202259, 12618860, 16404518, 32809036, 41011295, 82022590, 164045180]

約数ペア:

[(1, 164045180), (2, 82022590), (4, 41011295), (5, 32809036), (10, 16404518), (13, 12618860), (20, 8202259), (26, 6309430), (31, 5291780), (52, 3154715), (62, 2645890), (65, 2523772), (124, 1322945), (130, 1261886), (155, 1058356), (260, 630943), (310, 529178), (403, 407060), (620, 264589), (806, 203530), (1612, 101765), (2015, 81412), (4030, 40706), (8060, 20353)]