79962920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 187019280

約数和(自身を除く): 107056360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 557, 740, 776, 970, 1114, 1480, 1940, 2228, 2785, 3589, 3880, 4456, 5570, 7178, 11140, 14356, 17945, 20609, 22280, 28712, 35890, 41218, 54029, 71780, 82436, 103045, 108058, 143560, 164872, 206090, 216116, 270145, 412180, 432232, 540290, 824360, 1080580, 1999073, 2161160, 3998146, 7996292, 9995365, 15992584, 19990730, 39981460, 79962920]

約数ペア:

[(1, 79962920), (2, 39981460), (4, 19990730), (5, 15992584), (8, 9995365), (10, 7996292), (20, 3998146), (37, 2161160), (40, 1999073), (74, 1080580), (97, 824360), (148, 540290), (185, 432232), (194, 412180), (296, 270145), (370, 216116), (388, 206090), (485, 164872), (557, 143560), (740, 108058), (776, 103045), (970, 82436), (1114, 71780), (1480, 54029), (1940, 41218), (2228, 35890), (2785, 28712), (3589, 22280), (3880, 20609), (4456, 17945), (5570, 14356), (7178, 11140)]