260827520

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3209}}^1$

素因数の和:3355

約数の個数: 64

約数和(自身を含む): 628646400

約数和(自身を除く): 367818880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 3209, 4064, 5080, 6418, 8128, 10160, 12836, 16045, 16256, 20320, 25672, 32090, 40640, 51344, 64180, 81280, 102688, 128360, 205376, 256720, 407543, 410752, 513440, 815086, 1026880, 1630172, 2037715, 2053760, 3260344, 4075430, 6520688, 8150860, 13041376, 16301720, 26082752, 32603440, 52165504, 65206880, 130413760, 260827520]

約数ペア:

[(1, 260827520), (2, 130413760), (4, 65206880), (5, 52165504), (8, 32603440), (10, 26082752), (16, 16301720), (20, 13041376), (32, 8150860), (40, 6520688), (64, 4075430), (80, 3260344), (127, 2053760), (128, 2037715), (160, 1630172), (254, 1026880), (320, 815086), (508, 513440), (635, 410752), (640, 407543), (1016, 256720), (1270, 205376), (2032, 128360), (2540, 102688), (3209, 81280), (4064, 64180), (5080, 51344), (6418, 40640), (8128, 32090), (10160, 25672), (12836, 20320), (16045, 16256)]