204525560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 472327200

約数和(自身を除く): 267801640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 89, 146, 178, 292, 356, 365, 445, 584, 712, 730, 787, 890, 1460, 1574, 1780, 2920, 3148, 3560, 3935, 6296, 6497, 7870, 12994, 15740, 25988, 31480, 32485, 51976, 57451, 64970, 70043, 114902, 129940, 140086, 229804, 259880, 280172, 287255, 350215, 459608, 560344, 574510, 700430, 1149020, 1400860, 2298040, 2801720, 5113139, 10226278, 20452556, 25565695, 40905112, 51131390, 102262780, 204525560]

約数ペア:

[(1, 204525560), (2, 102262780), (4, 51131390), (5, 40905112), (8, 25565695), (10, 20452556), (20, 10226278), (40, 5113139), (73, 2801720), (89, 2298040), (146, 1400860), (178, 1149020), (292, 700430), (356, 574510), (365, 560344), (445, 459608), (584, 350215), (712, 287255), (730, 280172), (787, 259880), (890, 229804), (1460, 140086), (1574, 129940), (1780, 114902), (2920, 70043), (3148, 64970), (3560, 57451), (3935, 51976), (6296, 32485), (6497, 31480), (7870, 25988), (12994, 15740)]