39768980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 86353344

約数和(自身を除く): 46584364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 215, 262, 353, 430, 524, 655, 706, 860, 1310, 1412, 1765, 2620, 3530, 5633, 7060, 11266, 15179, 22532, 28165, 30358, 46243, 56330, 60716, 75895, 92486, 112660, 151790, 184972, 231215, 303580, 462430, 924860, 1988449, 3976898, 7953796, 9942245, 19884490, 39768980]

約数ペア:

[(1, 39768980), (2, 19884490), (4, 9942245), (5, 7953796), (10, 3976898), (20, 1988449), (43, 924860), (86, 462430), (131, 303580), (172, 231215), (215, 184972), (262, 151790), (353, 112660), (430, 92486), (524, 75895), (655, 60716), (706, 56330), (860, 46243), (1310, 30358), (1412, 28165), (1765, 22532), (2620, 15179), (3530, 11266), (5633, 7060)]