55026860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 136795680

約数和(自身を除く): 81768820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 409, 434, 620, 818, 868, 961, 1085, 1636, 1922, 2045, 2170, 2863, 3844, 4090, 4340, 4805, 5726, 6727, 8180, 9610, 11452, 12679, 13454, 14315, 19220, 25358, 26908, 28630, 33635, 50716, 57260, 63395, 67270, 88753, 126790, 134540, 177506, 253580, 355012, 393049, 443765, 786098, 887530, 1572196, 1775060, 1965245, 2751343, 3930490, 5502686, 7860980, 11005372, 13756715, 27513430, 55026860]

約数ペア:

[(1, 55026860), (2, 27513430), (4, 13756715), (5, 11005372), (7, 7860980), (10, 5502686), (14, 3930490), (20, 2751343), (28, 1965245), (31, 1775060), (35, 1572196), (62, 887530), (70, 786098), (124, 443765), (140, 393049), (155, 355012), (217, 253580), (310, 177506), (409, 134540), (434, 126790), (620, 88753), (818, 67270), (868, 63395), (961, 57260), (1085, 50716), (1636, 33635), (1922, 28630), (2045, 26908), (2170, 25358), (2863, 19220), (3844, 14315), (4090, 13454), (4340, 12679), (4805, 11452), (5726, 9610), (6727, 8180)]