8445403408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{1619}}^1$

素因数の和:2480

約数の個数: 80

約数和(自身を含む): 18223833600

約数和(自身を除く): 9778430192

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 809, 1612, 1618, 1619, 3224, 3236, 3238, 6448, 6472, 6476, 10517, 12944, 12952, 21034, 21047, 25079, 25904, 42068, 42094, 50158, 50189, 84136, 84188, 100316, 100378, 168272, 168376, 200632, 200756, 326027, 336752, 401264, 401512, 652054, 652457, 803024, 1304108, 1304914, 1309771, 2608216, 2609828, 2619542, 5216432, 5219656, 5239084, 10439312, 10478168, 17027023, 20956336, 34054046, 40602901, 68108092, 81205802, 136216184, 162411604, 272432368, 324823208, 527837713, 649646416, 1055675426, 2111350852, 4222701704, 8445403408]

約数ペア:

[(1, 8445403408), (2, 4222701704), (4, 2111350852), (8, 1055675426), (13, 649646416), (16, 527837713), (26, 324823208), (31, 272432368), (52, 162411604), (62, 136216184), (104, 81205802), (124, 68108092), (208, 40602901), (248, 34054046), (403, 20956336), (496, 17027023), (806, 10478168), (809, 10439312), (1612, 5239084), (1618, 5219656), (1619, 5216432), (3224, 2619542), (3236, 2609828), (3238, 2608216), (6448, 1309771), (6472, 1304914), (6476, 1304108), (10517, 803024), (12944, 652457), (12952, 652054), (21034, 401512), (21047, 401264), (25079, 336752), (25904, 326027), (42068, 200756), (42094, 200632), (50158, 168376), (50189, 168272), (84136, 100378), (84188, 100316)]