123957440

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2957}}^1$

素因数の和:3105

約数の個数: 56

約数和(自身を含む): 297527472

約数和(自身を除く): 173570032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 2957, 4192, 5240, 5914, 8384, 10480, 11828, 14785, 20960, 23656, 29570, 41920, 47312, 59140, 94624, 118280, 189248, 236560, 387367, 473120, 774734, 946240, 1549468, 1936835, 3098936, 3873670, 6197872, 7747340, 12395744, 15494680, 24791488, 30989360, 61978720, 123957440]

約数ペア:

[(1, 123957440), (2, 61978720), (4, 30989360), (5, 24791488), (8, 15494680), (10, 12395744), (16, 7747340), (20, 6197872), (32, 3873670), (40, 3098936), (64, 1936835), (80, 1549468), (131, 946240), (160, 774734), (262, 473120), (320, 387367), (524, 236560), (655, 189248), (1048, 118280), (1310, 94624), (2096, 59140), (2620, 47312), (2957, 41920), (4192, 29570), (5240, 23656), (5914, 20960), (8384, 14785), (10480, 11828)]