28187060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4184

約数の個数: 48

約数和(自身を含む): 66673152

約数和(自身を除く): 38486092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4133, 6820, 8266, 16532, 20665, 41330, 45463, 82660, 90926, 128123, 181852, 227315, 256246, 454630, 512492, 640615, 909260, 1281230, 1409353, 2562460, 2818706, 5637412, 7046765, 14093530, 28187060]

約数ペア:

[(1, 28187060), (2, 14093530), (4, 7046765), (5, 5637412), (10, 2818706), (11, 2562460), (20, 1409353), (22, 1281230), (31, 909260), (44, 640615), (55, 512492), (62, 454630), (110, 256246), (124, 227315), (155, 181852), (220, 128123), (310, 90926), (341, 82660), (620, 45463), (682, 41330), (1364, 20665), (1705, 16532), (3410, 8266), (4133, 6820)]