54121040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 131658240

約数和(自身を除く): 77537200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 157, 248, 278, 310, 314, 496, 556, 620, 628, 695, 785, 1112, 1240, 1256, 1390, 1570, 2224, 2480, 2512, 2780, 3140, 4309, 4867, 5560, 6280, 8618, 9734, 11120, 12560, 17236, 19468, 21545, 21823, 24335, 34472, 38936, 43090, 43646, 48670, 68944, 77872, 86180, 87292, 97340, 109115, 172360, 174584, 194680, 218230, 344720, 349168, 389360, 436460, 676513, 872920, 1353026, 1745840, 2706052, 3382565, 5412104, 6765130, 10824208, 13530260, 27060520, 54121040]

約数ペア:

[(1, 54121040), (2, 27060520), (4, 13530260), (5, 10824208), (8, 6765130), (10, 5412104), (16, 3382565), (20, 2706052), (31, 1745840), (40, 1353026), (62, 872920), (80, 676513), (124, 436460), (139, 389360), (155, 349168), (157, 344720), (248, 218230), (278, 194680), (310, 174584), (314, 172360), (496, 109115), (556, 97340), (620, 87292), (628, 86180), (695, 77872), (785, 68944), (1112, 48670), (1240, 43646), (1256, 43090), (1390, 38936), (1570, 34472), (2224, 24335), (2480, 21823), (2512, 21545), (2780, 19468), (3140, 17236), (4309, 12560), (4867, 11120), (5560, 9734), (6280, 8618)]