42513250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 87220224

約数和(自身を除く): 44706974

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 125, 127, 130, 206, 250, 254, 325, 515, 635, 650, 1030, 1270, 1339, 1625, 1651, 2575, 2678, 3175, 3250, 3302, 5150, 6350, 6695, 8255, 12875, 13081, 13390, 15875, 16510, 25750, 26162, 31750, 33475, 41275, 65405, 66950, 82550, 130810, 167375, 170053, 206375, 327025, 334750, 340106, 412750, 654050, 850265, 1635125, 1700530, 3270250, 4251325, 8502650, 21256625, 42513250]

約数ペア:

[(1, 42513250), (2, 21256625), (5, 8502650), (10, 4251325), (13, 3270250), (25, 1700530), (26, 1635125), (50, 850265), (65, 654050), (103, 412750), (125, 340106), (127, 334750), (130, 327025), (206, 206375), (250, 170053), (254, 167375), (325, 130810), (515, 82550), (635, 66950), (650, 65405), (1030, 41275), (1270, 33475), (1339, 31750), (1625, 26162), (1651, 25750), (2575, 16510), (2678, 15875), (3175, 13390), (3250, 13081), (3302, 12875), (5150, 8255), (6350, 6695)]