8045982920

素因数分解:

$2^3\times 5^1\times {\mathrm{10061}}^1\times {\mathrm{19993}}^1$

素因数の和:30065

約数の個数: 32

約数和(自身を含む): 18106166520

約数和(自身を除く): 10060183600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10061, 19993, 20122, 39986, 40244, 50305, 79972, 80488, 99965, 100610, 159944, 199930, 201220, 399860, 402440, 799720, 201149573, 402299146, 804598292, 1005747865, 1609196584, 2011495730, 4022991460, 8045982920]

約数ペア:

[(1, 8045982920), (2, 4022991460), (4, 2011495730), (5, 1609196584), (8, 1005747865), (10, 804598292), (20, 402299146), (40, 201149573), (10061, 799720), (19993, 402440), (20122, 399860), (39986, 201220), (40244, 199930), (50305, 159944), (79972, 100610), (80488, 99965)]