13821040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5573}}^1$

素因数の和:5617

約数の個数: 40

約数和(自身を含む): 33176448

約数和(自身を除く): 19355408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5573, 11146, 22292, 27865, 44584, 55730, 89168, 111460, 172763, 222920, 345526, 445840, 691052, 863815, 1382104, 1727630, 2764208, 3455260, 6910520, 13821040]

約数ペア:

[(1, 13821040), (2, 6910520), (4, 3455260), (5, 2764208), (8, 1727630), (10, 1382104), (16, 863815), (20, 691052), (31, 445840), (40, 345526), (62, 222920), (80, 172763), (124, 111460), (155, 89168), (248, 55730), (310, 44584), (496, 27865), (620, 22292), (1240, 11146), (2480, 5573)]