82720640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7603}}^1$

素因数の和:7639

約数の個数: 64

約数和(自身を含む): 209414160

約数和(自身を除く): 126693520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 7603, 10880, 15206, 30412, 38015, 60824, 76030, 121648, 129251, 152060, 243296, 258502, 304120, 486592, 517004, 608240, 646255, 973184, 1034008, 1216480, 1292510, 2068016, 2432960, 2585020, 4136032, 4865920, 5170040, 8272064, 10340080, 16544128, 20680160, 41360320, 82720640]

約数ペア:

[(1, 82720640), (2, 41360320), (4, 20680160), (5, 16544128), (8, 10340080), (10, 8272064), (16, 5170040), (17, 4865920), (20, 4136032), (32, 2585020), (34, 2432960), (40, 2068016), (64, 1292510), (68, 1216480), (80, 1034008), (85, 973184), (128, 646255), (136, 608240), (160, 517004), (170, 486592), (272, 304120), (320, 258502), (340, 243296), (544, 152060), (640, 129251), (680, 121648), (1088, 76030), (1360, 60824), (2176, 38015), (2720, 30412), (5440, 15206), (7603, 10880)]