2149041040

素因数分解:

$2^4\times 5^1\times {\mathrm{3251}}^1\times {\mathrm{8263}}^1$

素因数の和:11527

約数の個数: 40

約数和(自身を含む): 4998662208

約数和(自身を除く): 2849621168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3251, 6502, 8263, 13004, 16255, 16526, 26008, 32510, 33052, 41315, 52016, 65020, 66104, 82630, 130040, 132208, 165260, 260080, 330520, 661040, 26863013, 53726026, 107452052, 134315065, 214904104, 268630130, 429808208, 537260260, 1074520520, 2149041040]

約数ペア:

[(1, 2149041040), (2, 1074520520), (4, 537260260), (5, 429808208), (8, 268630130), (10, 214904104), (16, 134315065), (20, 107452052), (40, 53726026), (80, 26863013), (3251, 661040), (6502, 330520), (8263, 260080), (13004, 165260), (16255, 132208), (16526, 130040), (26008, 82630), (32510, 66104), (33052, 65020), (41315, 52016)]