2080358920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1\times {\mathrm{1459}}^1$

素因数の和:2342

約数の個数: 64

約数和(自身を含む): 4798728000

約数和(自身を除く): 2718369080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 829, 860, 1459, 1658, 1720, 2918, 3316, 4145, 5836, 6632, 7295, 8290, 11672, 14590, 16580, 29180, 33160, 35647, 58360, 62737, 71294, 125474, 142588, 178235, 250948, 285176, 313685, 356470, 501896, 627370, 712940, 1209511, 1254740, 1425880, 2419022, 2509480, 4838044, 6047555, 9676088, 12095110, 24190220, 48380440, 52008973, 104017946, 208035892, 260044865, 416071784, 520089730, 1040179460, 2080358920]

約数ペア:

[(1, 2080358920), (2, 1040179460), (4, 520089730), (5, 416071784), (8, 260044865), (10, 208035892), (20, 104017946), (40, 52008973), (43, 48380440), (86, 24190220), (172, 12095110), (215, 9676088), (344, 6047555), (430, 4838044), (829, 2509480), (860, 2419022), (1459, 1425880), (1658, 1254740), (1720, 1209511), (2918, 712940), (3316, 627370), (4145, 501896), (5836, 356470), (6632, 313685), (7295, 285176), (8290, 250948), (11672, 178235), (14590, 142588), (16580, 125474), (29180, 71294), (33160, 62737), (35647, 58360)]