2019640688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 4318473600

約数和(自身を除く): 2298832912

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 89, 104, 158, 178, 208, 316, 356, 632, 712, 1027, 1157, 1264, 1381, 1424, 2054, 2314, 2762, 4108, 4628, 5524, 7031, 8216, 9256, 11048, 14062, 16432, 17953, 18512, 22096, 28124, 35906, 56248, 71812, 91403, 109099, 112496, 122909, 143624, 182806, 218198, 245818, 287248, 365612, 436396, 491636, 731224, 872792, 983272, 1418287, 1462448, 1597817, 1745584, 1966544, 2836574, 3195634, 5673148, 6391268, 9709811, 11346296, 12782536, 19419622, 22692592, 25565072, 38839244, 77678488, 126227543, 155356976, 252455086, 504910172, 1009820344, 2019640688]

約数ペア:

[(1, 2019640688), (2, 1009820344), (4, 504910172), (8, 252455086), (13, 155356976), (16, 126227543), (26, 77678488), (52, 38839244), (79, 25565072), (89, 22692592), (104, 19419622), (158, 12782536), (178, 11346296), (208, 9709811), (316, 6391268), (356, 5673148), (632, 3195634), (712, 2836574), (1027, 1966544), (1157, 1745584), (1264, 1597817), (1381, 1462448), (1424, 1418287), (2054, 983272), (2314, 872792), (2762, 731224), (4108, 491636), (4628, 436396), (5524, 365612), (7031, 287248), (8216, 245818), (9256, 218198), (11048, 182806), (14062, 143624), (16432, 122909), (17953, 112496), (18512, 109099), (22096, 91403), (28124, 71812), (35906, 56248)]