15399400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 36788940

約数和(自身を除く): 21389540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2081, 3700, 4162, 7400, 8324, 10405, 16648, 20810, 41620, 52025, 76997, 83240, 104050, 153994, 208100, 307988, 384985, 416200, 615976, 769970, 1539940, 1924925, 3079880, 3849850, 7699700, 15399400]

約数ペア:

[(1, 15399400), (2, 7699700), (4, 3849850), (5, 3079880), (8, 1924925), (10, 1539940), (20, 769970), (25, 615976), (37, 416200), (40, 384985), (50, 307988), (74, 208100), (100, 153994), (148, 104050), (185, 83240), (200, 76997), (296, 52025), (370, 41620), (740, 20810), (925, 16648), (1480, 10405), (1850, 8324), (2081, 7400), (3700, 4162)]