77883880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23459}}^1$

素因数の和:23553

約数の個数: 32

約数和(自身を含む): 177357600

約数和(自身を除く): 99473720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 23459, 46918, 93836, 117295, 187672, 234590, 469180, 938360, 1947097, 3894194, 7788388, 9735485, 15576776, 19470970, 38941940, 77883880]

約数ペア:

[(1, 77883880), (2, 38941940), (4, 19470970), (5, 15576776), (8, 9735485), (10, 7788388), (20, 3894194), (40, 1947097), (83, 938360), (166, 469180), (332, 234590), (415, 187672), (664, 117295), (830, 93836), (1660, 46918), (3320, 23459)]