2400000005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{32191}}^1$

素因数の和:32277

約数の個数: 32

約数和(自身を含む): 3288219648

約数和(自身を除く): 888219643

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 481, 1147, 2015, 2405, 5735, 14911, 32191, 74555, 160955, 418483, 997921, 1191067, 2092415, 4989605, 5955335, 12972973, 15483871, 36923077, 64864865, 77419355, 184615385, 480000001, 2400000005]

約数ペア:

[(1, 2400000005), (5, 480000001), (13, 184615385), (31, 77419355), (37, 64864865), (65, 36923077), (155, 15483871), (185, 12972973), (403, 5955335), (481, 4989605), (1147, 2092415), (2015, 1191067), (2405, 997921), (5735, 418483), (14911, 160955), (32191, 74555)]