201941720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82763}}^1$

素因数の和:82835

約数の個数: 32

約数和(自身を含む): 461823120

約数和(自身を除く): 259881400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82763, 165526, 331052, 413815, 662104, 827630, 1655260, 3310520, 5048543, 10097086, 20194172, 25242715, 40388344, 50485430, 100970860, 201941720]

約数ペア:

[(1, 201941720), (2, 100970860), (4, 50485430), (5, 40388344), (8, 25242715), (10, 20194172), (20, 10097086), (40, 5048543), (61, 3310520), (122, 1655260), (244, 827630), (305, 662104), (488, 413815), (610, 331052), (1220, 165526), (2440, 82763)]