53548760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 124692480

約数和(自身を除く): 71143720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 163, 172, 191, 215, 326, 344, 382, 430, 652, 764, 815, 860, 955, 1304, 1528, 1630, 1720, 1910, 3260, 3820, 6520, 7009, 7640, 8213, 14018, 16426, 28036, 31133, 32852, 35045, 41065, 56072, 62266, 65704, 70090, 82130, 124532, 140180, 155665, 164260, 249064, 280360, 311330, 328520, 622660, 1245320, 1338719, 2677438, 5354876, 6693595, 10709752, 13387190, 26774380, 53548760]

約数ペア:

[(1, 53548760), (2, 26774380), (4, 13387190), (5, 10709752), (8, 6693595), (10, 5354876), (20, 2677438), (40, 1338719), (43, 1245320), (86, 622660), (163, 328520), (172, 311330), (191, 280360), (215, 249064), (326, 164260), (344, 155665), (382, 140180), (430, 124532), (652, 82130), (764, 70090), (815, 65704), (860, 62266), (955, 56072), (1304, 41065), (1528, 35045), (1630, 32852), (1720, 31133), (1910, 28036), (3260, 16426), (3820, 14018), (6520, 8213), (7009, 7640)]