20141440840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{77479}}^1$

素因数の和:77654

約数の個数: 64

約数和(自身を含む): 46469404800

約数和(自身を除く): 26327963960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 97, 134, 194, 268, 335, 388, 485, 536, 670, 776, 970, 1340, 1940, 2680, 3880, 6499, 12998, 25996, 32495, 51992, 64990, 77479, 129980, 154958, 259960, 309916, 387395, 619832, 774790, 1549580, 3099160, 5191093, 7515463, 10382186, 15030926, 20764372, 25955465, 30061852, 37577315, 41528744, 51910930, 60123704, 75154630, 103821860, 150309260, 207643720, 300618520, 503536021, 1007072042, 2014144084, 2517680105, 4028288168, 5035360210, 10070720420, 20141440840]

約数ペア:

[(1, 20141440840), (2, 10070720420), (4, 5035360210), (5, 4028288168), (8, 2517680105), (10, 2014144084), (20, 1007072042), (40, 503536021), (67, 300618520), (97, 207643720), (134, 150309260), (194, 103821860), (268, 75154630), (335, 60123704), (388, 51910930), (485, 41528744), (536, 37577315), (670, 30061852), (776, 25955465), (970, 20764372), (1340, 15030926), (1940, 10382186), (2680, 7515463), (3880, 5191093), (6499, 3099160), (12998, 1549580), (25996, 774790), (32495, 619832), (51992, 387395), (64990, 309916), (77479, 259960), (129980, 154958)]