12894760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10399}}^1$

素因数の和:10441

約数の個数: 32

約数和(自身を含む): 29952000

約数和(自身を除く): 17057240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10399, 20798, 41596, 51995, 83192, 103990, 207980, 322369, 415960, 644738, 1289476, 1611845, 2578952, 3223690, 6447380, 12894760]

約数ペア:

[(1, 12894760), (2, 6447380), (4, 3223690), (5, 2578952), (8, 1611845), (10, 1289476), (20, 644738), (31, 415960), (40, 322369), (62, 207980), (124, 103990), (155, 83192), (248, 51995), (310, 41596), (620, 20798), (1240, 10399)]