80211628

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{4219}}^1$

素因数の和:4334

約数の個数: 36

約数和(自身を含む): 165010440

約数和(自身を除く): 84798812

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1358, 2716, 4219, 4753, 8438, 9506, 16876, 19012, 29533, 59066, 118132, 206731, 409243, 413462, 818486, 826924, 1636972, 2864701, 5729402, 11458804, 20052907, 40105814, 80211628]

約数ペア:

[(1, 80211628), (2, 40105814), (4, 20052907), (7, 11458804), (14, 5729402), (28, 2864701), (49, 1636972), (97, 826924), (98, 818486), (194, 413462), (196, 409243), (388, 206731), (679, 118132), (1358, 59066), (2716, 29533), (4219, 19012), (4753, 16876), (8438, 9506)]