12681460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 29574720

約数和(自身を除く): 16893260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 977, 1180, 1298, 1954, 2596, 3245, 3908, 4885, 6490, 9770, 10747, 12980, 19540, 21494, 42988, 53735, 57643, 107470, 115286, 214940, 230572, 288215, 576430, 634073, 1152860, 1268146, 2536292, 3170365, 6340730, 12681460]

約数ペア:

[(1, 12681460), (2, 6340730), (4, 3170365), (5, 2536292), (10, 1268146), (11, 1152860), (20, 634073), (22, 576430), (44, 288215), (55, 230572), (59, 214940), (110, 115286), (118, 107470), (220, 57643), (236, 53735), (295, 42988), (590, 21494), (649, 19540), (977, 12980), (1180, 10747), (1298, 9770), (1954, 6490), (2596, 4885), (3245, 3908)]