15697954540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1\times {\mathrm{20431}}^1$

素因数の和:21418

約数の個数: 48

約数和(自身を含む): 33807441024

約数和(自身を除く): 18109486484

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 937, 1874, 3748, 4685, 9370, 18740, 20431, 38417, 40862, 76834, 81724, 102155, 153668, 192085, 204310, 384170, 408620, 768340, 837671, 1675342, 3350684, 4188355, 8376710, 16753420, 19143847, 38287694, 76575388, 95719235, 191438470, 382876940, 784897727, 1569795454, 3139590908, 3924488635, 7848977270, 15697954540]

約数ペア:

[(1, 15697954540), (2, 7848977270), (4, 3924488635), (5, 3139590908), (10, 1569795454), (20, 784897727), (41, 382876940), (82, 191438470), (164, 95719235), (205, 76575388), (410, 38287694), (820, 19143847), (937, 16753420), (1874, 8376710), (3748, 4188355), (4685, 3350684), (9370, 1675342), (18740, 837671), (20431, 768340), (38417, 408620), (40862, 384170), (76834, 204310), (81724, 192085), (102155, 153668)]