64125980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 139878144

約数和(自身を除く): 75752164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 293, 310, 353, 586, 620, 706, 1172, 1412, 1465, 1765, 2930, 3530, 5860, 7060, 9083, 10943, 18166, 21886, 36332, 43772, 45415, 54715, 90830, 103429, 109430, 181660, 206858, 218860, 413716, 517145, 1034290, 2068580, 3206299, 6412598, 12825196, 16031495, 32062990, 64125980]

約数ペア:

[(1, 64125980), (2, 32062990), (4, 16031495), (5, 12825196), (10, 6412598), (20, 3206299), (31, 2068580), (62, 1034290), (124, 517145), (155, 413716), (293, 218860), (310, 206858), (353, 181660), (586, 109430), (620, 103429), (706, 90830), (1172, 54715), (1412, 45415), (1465, 43772), (1765, 36332), (2930, 21886), (3530, 18166), (5860, 10943), (7060, 9083)]