71310362500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{438833}}^1$

素因数の和:438875

約数の個数: 72

約数和(自身を含む): 167980389192

約数和(自身を除く): 96670026692

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3125, 3250, 6250, 6500, 8125, 12500, 16250, 32500, 40625, 81250, 162500, 438833, 877666, 1755332, 2194165, 4388330, 5704829, 8776660, 10970825, 11409658, 21941650, 22819316, 28524145, 43883300, 54854125, 57048290, 109708250, 114096580, 142620725, 219416500, 274270625, 285241450, 548541250, 570482900, 713103625, 1097082500, 1371353125, 1426207250, 2742706250, 2852414500, 3565518125, 5485412500, 7131036250, 14262072500, 17827590625, 35655181250, 71310362500]

約数ペア:

[(1, 71310362500), (2, 35655181250), (4, 17827590625), (5, 14262072500), (10, 7131036250), (13, 5485412500), (20, 3565518125), (25, 2852414500), (26, 2742706250), (50, 1426207250), (52, 1371353125), (65, 1097082500), (100, 713103625), (125, 570482900), (130, 548541250), (250, 285241450), (260, 274270625), (325, 219416500), (500, 142620725), (625, 114096580), (650, 109708250), (1250, 57048290), (1300, 54854125), (1625, 43883300), (2500, 28524145), (3125, 22819316), (3250, 21941650), (6250, 11409658), (6500, 10970825), (8125, 8776660), (12500, 5704829), (16250, 4388330), (32500, 2194165), (40625, 1755332), (81250, 877666), (162500, 438833)]