2727440

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 6422208

約数和(自身を除く): 3694768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 331, 412, 515, 662, 824, 1030, 1324, 1648, 1655, 2060, 2648, 3310, 4120, 5296, 6620, 8240, 13240, 26480, 34093, 68186, 136372, 170465, 272744, 340930, 545488, 681860, 1363720, 2727440]

約数ペア:

[(1, 2727440), (2, 1363720), (4, 681860), (5, 545488), (8, 340930), (10, 272744), (16, 170465), (20, 136372), (40, 68186), (80, 34093), (103, 26480), (206, 13240), (331, 8240), (412, 6620), (515, 5296), (662, 4120), (824, 3310), (1030, 2648), (1324, 2060), (1648, 1655)]