78364760

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1993}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 176588640

約数和(自身を除く): 98223880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 1993, 3932, 3986, 4915, 7864, 7972, 9830, 9965, 15944, 19660, 19930, 39320, 39860, 79720, 1959119, 3918238, 7836476, 9795595, 15672952, 19591190, 39182380, 78364760]

約数ペア:

[(1, 78364760), (2, 39182380), (4, 19591190), (5, 15672952), (8, 9795595), (10, 7836476), (20, 3918238), (40, 1959119), (983, 79720), (1966, 39860), (1993, 39320), (3932, 19930), (3986, 19660), (4915, 15944), (7864, 9965), (7972, 9830)]