12749680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 31497984

約数和(自身を除く): 18748304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 97, 106, 124, 155, 194, 212, 248, 265, 310, 388, 424, 485, 496, 530, 620, 776, 848, 970, 1060, 1240, 1552, 1643, 1940, 2120, 2480, 3007, 3286, 3880, 4240, 5141, 6014, 6572, 7760, 8215, 10282, 12028, 13144, 15035, 16430, 20564, 24056, 25705, 26288, 30070, 32860, 41128, 48112, 51410, 60140, 65720, 82256, 102820, 120280, 131440, 159371, 205640, 240560, 318742, 411280, 637484, 796855, 1274968, 1593710, 2549936, 3187420, 6374840, 12749680]

約数ペア:

[(1, 12749680), (2, 6374840), (4, 3187420), (5, 2549936), (8, 1593710), (10, 1274968), (16, 796855), (20, 637484), (31, 411280), (40, 318742), (53, 240560), (62, 205640), (80, 159371), (97, 131440), (106, 120280), (124, 102820), (155, 82256), (194, 65720), (212, 60140), (248, 51410), (265, 48112), (310, 41128), (388, 32860), (424, 30070), (485, 26288), (496, 25705), (530, 24056), (620, 20564), (776, 16430), (848, 15035), (970, 13144), (1060, 12028), (1240, 10282), (1552, 8215), (1643, 7760), (1940, 6572), (2120, 6014), (2480, 5141), (3007, 4240), (3286, 3880)]