12031720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 28062180

約数和(自身を除く): 16030460

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 313, 620, 626, 961, 1240, 1252, 1565, 1922, 2504, 3130, 3844, 4805, 6260, 7688, 9610, 9703, 12520, 19220, 19406, 38440, 38812, 48515, 77624, 97030, 194060, 300793, 388120, 601586, 1203172, 1503965, 2406344, 3007930, 6015860, 12031720]

約数ペア:

[(1, 12031720), (2, 6015860), (4, 3007930), (5, 2406344), (8, 1503965), (10, 1203172), (20, 601586), (31, 388120), (40, 300793), (62, 194060), (124, 97030), (155, 77624), (248, 48515), (310, 38812), (313, 38440), (620, 19406), (626, 19220), (961, 12520), (1240, 9703), (1252, 9610), (1565, 7688), (1922, 6260), (2504, 4805), (3130, 3844)]