40189760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9661}}^1$

素因数の和:9691

約数の個数: 56

約数和(自身を含む): 103074216

約数和(自身を除く): 62884456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 9661, 19322, 38644, 48305, 77288, 96610, 125593, 154576, 193220, 251186, 309152, 386440, 502372, 618304, 627965, 772880, 1004744, 1255930, 1545760, 2009488, 2511860, 3091520, 4018976, 5023720, 8037952, 10047440, 20094880, 40189760]

約数ペア:

[(1, 40189760), (2, 20094880), (4, 10047440), (5, 8037952), (8, 5023720), (10, 4018976), (13, 3091520), (16, 2511860), (20, 2009488), (26, 1545760), (32, 1255930), (40, 1004744), (52, 772880), (64, 627965), (65, 618304), (80, 502372), (104, 386440), (130, 309152), (160, 251186), (208, 193220), (260, 154576), (320, 125593), (416, 96610), (520, 77288), (832, 48305), (1040, 38644), (2080, 19322), (4160, 9661)]