200477720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82163}}^1$

素因数の和:82235

約数の個数: 32

約数和(自身を含む): 458475120

約数和(自身を除く): 257997400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82163, 164326, 328652, 410815, 657304, 821630, 1643260, 3286520, 5011943, 10023886, 20047772, 25059715, 40095544, 50119430, 100238860, 200477720]

約数ペア:

[(1, 200477720), (2, 100238860), (4, 50119430), (5, 40095544), (8, 25059715), (10, 20047772), (20, 10023886), (40, 5011943), (61, 3286520), (122, 1643260), (244, 821630), (305, 657304), (488, 410815), (610, 328652), (1220, 164326), (2440, 82163)]