69048520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2693}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 155659320

約数和(自身を除く): 86610800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 2693, 3205, 5128, 5386, 6410, 10772, 12820, 13465, 21544, 25640, 26930, 53860, 107720, 1726213, 3452426, 6904852, 8631065, 13809704, 17262130, 34524260, 69048520]

約数ペア:

[(1, 69048520), (2, 34524260), (4, 17262130), (5, 13809704), (8, 8631065), (10, 6904852), (20, 3452426), (40, 1726213), (641, 107720), (1282, 53860), (2564, 26930), (2693, 25640), (3205, 21544), (5128, 13465), (5386, 12820), (6410, 10772)]