61289840

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{947}}^1$

素因数の和:1769

約数の個数: 40

約数和(自身を含む): 142825680

約数和(自身を除く): 81535840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 947, 1618, 1894, 3236, 3788, 4045, 4735, 6472, 7576, 8090, 9470, 12944, 15152, 16180, 18940, 32360, 37880, 64720, 75760, 766123, 1532246, 3064492, 3830615, 6128984, 7661230, 12257968, 15322460, 30644920, 61289840]

約数ペア:

[(1, 61289840), (2, 30644920), (4, 15322460), (5, 12257968), (8, 7661230), (10, 6128984), (16, 3830615), (20, 3064492), (40, 1532246), (80, 766123), (809, 75760), (947, 64720), (1618, 37880), (1894, 32360), (3236, 18940), (3788, 16180), (4045, 15152), (4735, 12944), (6472, 9470), (7576, 8090)]