12778636480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1288169}}^1$

素因数の和:1288217

約数の個数: 56

約数和(自身を含む): 31410737280

約数和(自身を除く): 18632100800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 1288169, 2576338, 5152676, 6440845, 10305352, 12881690, 20610704, 25763380, 39933239, 41221408, 51526760, 79866478, 82442816, 103053520, 159732956, 199666195, 206107040, 319465912, 399332390, 412214080, 638931824, 798664780, 1277863648, 1597329560, 2555727296, 3194659120, 6389318240, 12778636480]

約数ペア:

[(1, 12778636480), (2, 6389318240), (4, 3194659120), (5, 2555727296), (8, 1597329560), (10, 1277863648), (16, 798664780), (20, 638931824), (31, 412214080), (32, 399332390), (40, 319465912), (62, 206107040), (64, 199666195), (80, 159732956), (124, 103053520), (155, 82442816), (160, 79866478), (248, 51526760), (310, 41221408), (320, 39933239), (496, 25763380), (620, 20610704), (992, 12881690), (1240, 10305352), (1984, 6440845), (2480, 5152676), (4960, 2576338), (9920, 1288169)]