2005005128

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31769}}^1$

素因数の和:31819

約数の個数: 64

約数和(自身を含む): 4574880000

約数和(自身を除く): 2569874872

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 343, 392, 644, 686, 1127, 1288, 1372, 2254, 2744, 4508, 7889, 9016, 15778, 31556, 31769, 63112, 63538, 127076, 222383, 254152, 444766, 730687, 889532, 1461374, 1556681, 1779064, 2922748, 3113362, 5114809, 5845496, 6226724, 10229618, 10896767, 12453448, 20459236, 21793534, 35803663, 40918472, 43587068, 71607326, 87174136, 143214652, 250625641, 286429304, 501251282, 1002502564, 2005005128]

約数ペア:

[(1, 2005005128), (2, 1002502564), (4, 501251282), (7, 286429304), (8, 250625641), (14, 143214652), (23, 87174136), (28, 71607326), (46, 43587068), (49, 40918472), (56, 35803663), (92, 21793534), (98, 20459236), (161, 12453448), (184, 10896767), (196, 10229618), (322, 6226724), (343, 5845496), (392, 5114809), (644, 3113362), (686, 2922748), (1127, 1779064), (1288, 1556681), (1372, 1461374), (2254, 889532), (2744, 730687), (4508, 444766), (7889, 254152), (9016, 222383), (15778, 127076), (31556, 63538), (31769, 63112)]