51901720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 126786240

約数和(自身を除く): 74884520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 661, 755, 1208, 1322, 1510, 1963, 2644, 3020, 3305, 3926, 5288, 6040, 6610, 7852, 8593, 9815, 13220, 15704, 17186, 19630, 26440, 34372, 39260, 42965, 68744, 78520, 85930, 99811, 171860, 199622, 343720, 399244, 499055, 798488, 998110, 1297543, 1996220, 2595086, 3992440, 5190172, 6487715, 10380344, 12975430, 25950860, 51901720]

約数ペア:

[(1, 51901720), (2, 25950860), (4, 12975430), (5, 10380344), (8, 6487715), (10, 5190172), (13, 3992440), (20, 2595086), (26, 1996220), (40, 1297543), (52, 998110), (65, 798488), (104, 499055), (130, 399244), (151, 343720), (260, 199622), (302, 171860), (520, 99811), (604, 85930), (661, 78520), (755, 68744), (1208, 42965), (1322, 39260), (1510, 34372), (1963, 26440), (2644, 19630), (3020, 17186), (3305, 15704), (3926, 13220), (5288, 9815), (6040, 8593), (6610, 7852)]