80013308920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48788603}}^1$

素因数の和:48788655

約数の個数: 32

約数和(自身を含む): 184420923120

約数和(自身を除く): 104407614200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48788603, 97577206, 195154412, 243943015, 390308824, 487886030, 975772060, 1951544120, 2000332723, 4000665446, 8001330892, 10001663615, 16002661784, 20003327230, 40006654460, 80013308920]

約数ペア:

[(1, 80013308920), (2, 40006654460), (4, 20003327230), (5, 16002661784), (8, 10001663615), (10, 8001330892), (20, 4000665446), (40, 2000332723), (41, 1951544120), (82, 975772060), (164, 487886030), (205, 390308824), (328, 243943015), (410, 195154412), (820, 97577206), (1640, 48788603)]