38617640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 90493200

約数和(自身を除く): 51875560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 269, 296, 370, 388, 485, 538, 740, 776, 970, 1076, 1345, 1480, 1940, 2152, 2690, 3589, 3880, 5380, 7178, 9953, 10760, 14356, 17945, 19906, 26093, 28712, 35890, 39812, 49765, 52186, 71780, 79624, 99530, 104372, 130465, 143560, 199060, 208744, 260930, 398120, 521860, 965441, 1043720, 1930882, 3861764, 4827205, 7723528, 9654410, 19308820, 38617640]

約数ペア:

[(1, 38617640), (2, 19308820), (4, 9654410), (5, 7723528), (8, 4827205), (10, 3861764), (20, 1930882), (37, 1043720), (40, 965441), (74, 521860), (97, 398120), (148, 260930), (185, 208744), (194, 199060), (269, 143560), (296, 130465), (370, 104372), (388, 99530), (485, 79624), (538, 71780), (740, 52186), (776, 49765), (970, 39812), (1076, 35890), (1345, 28712), (1480, 26093), (1940, 19906), (2152, 17945), (2690, 14356), (3589, 10760), (3880, 9953), (5380, 7178)]