40899460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 98542080

約数和(自身を除く): 57642620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 751, 778, 1502, 1556, 1945, 2723, 3004, 3755, 3890, 5257, 5446, 7510, 7780, 10514, 10892, 13615, 15020, 21028, 26285, 27230, 52570, 54460, 105140, 292139, 584278, 1168556, 1460695, 2044973, 2921390, 4089946, 5842780, 8179892, 10224865, 20449730, 40899460]

約数ペア:

[(1, 40899460), (2, 20449730), (4, 10224865), (5, 8179892), (7, 5842780), (10, 4089946), (14, 2921390), (20, 2044973), (28, 1460695), (35, 1168556), (70, 584278), (140, 292139), (389, 105140), (751, 54460), (778, 52570), (1502, 27230), (1556, 26285), (1945, 21028), (2723, 15020), (3004, 13615), (3755, 10892), (3890, 10514), (5257, 7780), (5446, 7510)]