40345480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 104976000

約数和(自身を除く): 64630520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1619, 1780, 2492, 3115, 3238, 3560, 4984, 6230, 6476, 8095, 11333, 12460, 12952, 16190, 22666, 24920, 32380, 45332, 56665, 64760, 90664, 113330, 144091, 226660, 288182, 453320, 576364, 720455, 1008637, 1152728, 1440910, 2017274, 2881820, 4034548, 5043185, 5763640, 8069096, 10086370, 20172740, 40345480]

約数ペア:

[(1, 40345480), (2, 20172740), (4, 10086370), (5, 8069096), (7, 5763640), (8, 5043185), (10, 4034548), (14, 2881820), (20, 2017274), (28, 1440910), (35, 1152728), (40, 1008637), (56, 720455), (70, 576364), (89, 453320), (140, 288182), (178, 226660), (280, 144091), (356, 113330), (445, 90664), (623, 64760), (712, 56665), (890, 45332), (1246, 32380), (1619, 24920), (1780, 22666), (2492, 16190), (3115, 12952), (3238, 12460), (3560, 11333), (4984, 8095), (6230, 6476)]