39981460

素因数分解:

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

素因数の和:700

約数の個数: 48

約数和(自身を含む): 87275664

約数和(自身を除く): 47294204

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 557, 740, 970, 1114, 1940, 2228, 2785, 3589, 5570, 7178, 11140, 14356, 17945, 20609, 35890, 41218, 54029, 71780, 82436, 103045, 108058, 206090, 216116, 270145, 412180, 540290, 1080580, 1999073, 3998146, 7996292, 9995365, 19990730, 39981460]

約数ペア:

[(1, 39981460), (2, 19990730), (4, 9995365), (5, 7996292), (10, 3998146), (20, 1999073), (37, 1080580), (74, 540290), (97, 412180), (148, 270145), (185, 216116), (194, 206090), (370, 108058), (388, 103045), (485, 82436), (557, 71780), (740, 54029), (970, 41218), (1114, 35890), (1940, 20609), (2228, 17945), (2785, 14356), (3589, 11140), (5570, 7178)]