79809860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3449}}^1$

素因数の和:3560

約数の個数: 48

約数和(自身を含む): 182574000

約数和(自身を除く): 102764140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 3449, 4628, 5785, 6898, 11570, 13796, 17245, 23140, 34490, 44837, 68980, 89674, 179348, 224185, 306961, 448370, 613922, 896740, 1227844, 1534805, 3069610, 3990493, 6139220, 7980986, 15961972, 19952465, 39904930, 79809860]

約数ペア:

[(1, 79809860), (2, 39904930), (4, 19952465), (5, 15961972), (10, 7980986), (13, 6139220), (20, 3990493), (26, 3069610), (52, 1534805), (65, 1227844), (89, 896740), (130, 613922), (178, 448370), (260, 306961), (356, 224185), (445, 179348), (890, 89674), (1157, 68980), (1780, 44837), (2314, 34490), (3449, 23140), (4628, 17245), (5785, 13796), (6898, 11570)]