216558560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43661}}^1$

素因数の和:43707

約数の個数: 48

約数和(自身を含む): 528135552

約数和(自身を除く): 311576992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 43661, 87322, 174644, 218305, 349288, 436610, 698576, 873220, 1353491, 1397152, 1746440, 2706982, 3492880, 5413964, 6767455, 6985760, 10827928, 13534910, 21655856, 27069820, 43311712, 54139640, 108279280, 216558560]

約数ペア:

[(1, 216558560), (2, 108279280), (4, 54139640), (5, 43311712), (8, 27069820), (10, 21655856), (16, 13534910), (20, 10827928), (31, 6985760), (32, 6767455), (40, 5413964), (62, 3492880), (80, 2706982), (124, 1746440), (155, 1397152), (160, 1353491), (248, 873220), (310, 698576), (496, 436610), (620, 349288), (992, 218305), (1240, 174644), (2480, 87322), (4960, 43661)]