2078810500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{319817}}^1$

素因数の和:319849

約数の個数: 48

約数和(自身を含む): 4889377584

約数和(自身を除く): 2810567084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 319817, 639634, 1279268, 1599085, 3198170, 4157621, 6396340, 7995425, 8315242, 15990850, 16630484, 20788105, 31981700, 39977125, 41576210, 79954250, 83152420, 103940525, 159908500, 207881050, 415762100, 519702625, 1039405250, 2078810500]

約数ペア:

[(1, 2078810500), (2, 1039405250), (4, 519702625), (5, 415762100), (10, 207881050), (13, 159908500), (20, 103940525), (25, 83152420), (26, 79954250), (50, 41576210), (52, 39977125), (65, 31981700), (100, 20788105), (125, 16630484), (130, 15990850), (250, 8315242), (260, 7995425), (325, 6396340), (500, 4157621), (650, 3198170), (1300, 1599085), (1625, 1279268), (3250, 639634), (6500, 319817)]