16187394920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{112757}}^1$

素因数の和:112902

約数の個数: 64

約数和(自身を含む): 37791971280

約数和(自身を除く): 21604576360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 740, 776, 970, 1480, 1940, 3589, 3880, 7178, 14356, 17945, 28712, 35890, 71780, 112757, 143560, 225514, 451028, 563785, 902056, 1127570, 2255140, 4172009, 4510280, 8344018, 10937429, 16688036, 20860045, 21874858, 33376072, 41720090, 43749716, 54687145, 83440180, 87499432, 109374290, 166880360, 218748580, 404684873, 437497160, 809369746, 1618739492, 2023424365, 3237478984, 4046848730, 8093697460, 16187394920]

約数ペア:

[(1, 16187394920), (2, 8093697460), (4, 4046848730), (5, 3237478984), (8, 2023424365), (10, 1618739492), (20, 809369746), (37, 437497160), (40, 404684873), (74, 218748580), (97, 166880360), (148, 109374290), (185, 87499432), (194, 83440180), (296, 54687145), (370, 43749716), (388, 41720090), (485, 33376072), (740, 21874858), (776, 20860045), (970, 16688036), (1480, 10937429), (1940, 8344018), (3589, 4510280), (3880, 4172009), (7178, 2255140), (14356, 1127570), (17945, 902056), (28712, 563785), (35890, 451028), (71780, 225514), (112757, 143560)]