2539720520

素因数分解:

$2^3\times 5^1\times {\mathrm{9137}}^1\times {\mathrm{6949}}^1$

素因数の和:16097

約数の個数: 32

約数和(自身を含む): 5715819000

約数和(自身を除く): 3176098480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6949, 9137, 13898, 18274, 27796, 34745, 36548, 45685, 55592, 69490, 73096, 91370, 138980, 182740, 277960, 365480, 63493013, 126986026, 253972052, 317465065, 507944104, 634930130, 1269860260, 2539720520]

約数ペア:

[(1, 2539720520), (2, 1269860260), (4, 634930130), (5, 507944104), (8, 317465065), (10, 253972052), (20, 126986026), (40, 63493013), (6949, 365480), (9137, 277960), (13898, 182740), (18274, 138980), (27796, 91370), (34745, 73096), (36548, 69490), (45685, 55592)]