977368520

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{38723}}^1$

素因数の和:39365

約数の個数: 32

約数和(自身を含む): 2202621120

約数和(自身を除く): 1225252600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 38723, 77446, 154892, 193615, 309784, 387230, 774460, 1548920, 24434213, 48868426, 97736852, 122171065, 195473704, 244342130, 488684260, 977368520]

約数ペア:

[(1, 977368520), (2, 488684260), (4, 244342130), (5, 195473704), (8, 122171065), (10, 97736852), (20, 48868426), (40, 24434213), (631, 1548920), (1262, 774460), (2524, 387230), (3155, 309784), (5048, 193615), (6310, 154892), (12620, 77446), (25240, 38723)]