804912020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{12487}}^1$

素因数の和:12800

約数の個数: 48

約数和(自身を含む): 1850421888

約数和(自身を除く): 1045509868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 586, 1172, 1465, 2930, 3223, 5860, 6446, 12487, 12892, 16115, 24974, 32230, 49948, 62435, 64460, 124870, 137357, 249740, 274714, 549428, 686785, 1373570, 2747140, 3658691, 7317382, 14634764, 18293455, 36586910, 40245601, 73173820, 80491202, 160982404, 201228005, 402456010, 804912020]

約数ペア:

[(1, 804912020), (2, 402456010), (4, 201228005), (5, 160982404), (10, 80491202), (11, 73173820), (20, 40245601), (22, 36586910), (44, 18293455), (55, 14634764), (110, 7317382), (220, 3658691), (293, 2747140), (586, 1373570), (1172, 686785), (1465, 549428), (2930, 274714), (3223, 249740), (5860, 137357), (6446, 124870), (12487, 64460), (12892, 62435), (16115, 49948), (24974, 32230)]