12657320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 31101840

約数和(自身を除く): 18444520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 241, 260, 404, 482, 505, 520, 808, 964, 1010, 1205, 1313, 1928, 2020, 2410, 2626, 3133, 4040, 4820, 5252, 6266, 6565, 9640, 10504, 12532, 13130, 15665, 24341, 25064, 26260, 31330, 48682, 52520, 62660, 97364, 121705, 125320, 194728, 243410, 316433, 486820, 632866, 973640, 1265732, 1582165, 2531464, 3164330, 6328660, 12657320]

約数ペア:

[(1, 12657320), (2, 6328660), (4, 3164330), (5, 2531464), (8, 1582165), (10, 1265732), (13, 973640), (20, 632866), (26, 486820), (40, 316433), (52, 243410), (65, 194728), (101, 125320), (104, 121705), (130, 97364), (202, 62660), (241, 52520), (260, 48682), (404, 31330), (482, 26260), (505, 25064), (520, 24341), (808, 15665), (964, 13130), (1010, 12532), (1205, 10504), (1313, 9640), (1928, 6565), (2020, 6266), (2410, 5252), (2626, 4820), (3133, 4040)]