31522040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 79902720

約数和(自身を除く): 48380680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2311, 2728, 3410, 4622, 6820, 9244, 11555, 13640, 18488, 23110, 25421, 46220, 50842, 71641, 92440, 101684, 127105, 143282, 203368, 254210, 286564, 358205, 508420, 573128, 716410, 788051, 1016840, 1432820, 1576102, 2865640, 3152204, 3940255, 6304408, 7880510, 15761020, 31522040]

約数ペア:

[(1, 31522040), (2, 15761020), (4, 7880510), (5, 6304408), (8, 3940255), (10, 3152204), (11, 2865640), (20, 1576102), (22, 1432820), (31, 1016840), (40, 788051), (44, 716410), (55, 573128), (62, 508420), (88, 358205), (110, 286564), (124, 254210), (155, 203368), (220, 143282), (248, 127105), (310, 101684), (341, 92440), (440, 71641), (620, 50842), (682, 46220), (1240, 25421), (1364, 23110), (1705, 18488), (2311, 13640), (2728, 11555), (3410, 9244), (4622, 6820)]