79711960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22391}}^1$

素因数の和:22491

約数の個数: 32

約数和(自身を含む): 181375200

約数和(自身を除く): 101663240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 22391, 44782, 89564, 111955, 179128, 223910, 447820, 895640, 1992799, 3985598, 7971196, 9963995, 15942392, 19927990, 39855980, 79711960]

約数ペア:

[(1, 79711960), (2, 39855980), (4, 19927990), (5, 15942392), (8, 9963995), (10, 7971196), (20, 3985598), (40, 1992799), (89, 895640), (178, 447820), (356, 223910), (445, 179128), (712, 111955), (890, 89564), (1780, 44782), (3560, 22391)]