8939015440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1\times {\mathrm{2963}}^1$

素因数の和:3896

約数の個数: 80

約数和(自身を含む): 21297976128

約数和(自身を除く): 12358960688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 877, 1720, 1754, 2963, 3440, 3508, 4385, 5926, 7016, 8770, 11852, 14032, 14815, 17540, 23704, 29630, 35080, 37711, 47408, 59260, 70160, 75422, 118520, 127409, 150844, 188555, 237040, 254818, 301688, 377110, 509636, 603376, 637045, 754220, 1019272, 1274090, 1508440, 2038544, 2548180, 2598551, 3016880, 5096360, 5197102, 10192720, 10394204, 12992755, 20788408, 25985510, 41576816, 51971020, 103942040, 111737693, 207884080, 223475386, 446950772, 558688465, 893901544, 1117376930, 1787803088, 2234753860, 4469507720, 8939015440]

約数ペア:

[(1, 8939015440), (2, 4469507720), (4, 2234753860), (5, 1787803088), (8, 1117376930), (10, 893901544), (16, 558688465), (20, 446950772), (40, 223475386), (43, 207884080), (80, 111737693), (86, 103942040), (172, 51971020), (215, 41576816), (344, 25985510), (430, 20788408), (688, 12992755), (860, 10394204), (877, 10192720), (1720, 5197102), (1754, 5096360), (2963, 3016880), (3440, 2598551), (3508, 2548180), (4385, 2038544), (5926, 1508440), (7016, 1274090), (8770, 1019272), (11852, 754220), (14032, 637045), (14815, 603376), (17540, 509636), (23704, 377110), (29630, 301688), (35080, 254818), (37711, 237040), (47408, 188555), (59260, 150844), (70160, 127409), (75422, 118520)]