142507480

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{12589}}^1$

素因数の和:12883

約数の個数: 32

約数和(自身を含む): 321800400

約数和(自身を除く): 179292920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 12589, 25178, 50356, 62945, 100712, 125890, 251780, 503560, 3562687, 7125374, 14250748, 17813435, 28501496, 35626870, 71253740, 142507480]

約数ペア:

[(1, 142507480), (2, 71253740), (4, 35626870), (5, 28501496), (8, 17813435), (10, 14250748), (20, 7125374), (40, 3562687), (283, 503560), (566, 251780), (1132, 125890), (1415, 100712), (2264, 62945), (2830, 50356), (5660, 25178), (11320, 12589)]