80907830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{727}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 150958080

約数和(自身を除く): 70050250

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 359, 718, 727, 1454, 1795, 3590, 3635, 7270, 11129, 22258, 22537, 45074, 55645, 111290, 112685, 225370, 260993, 521986, 1304965, 2609930, 8090783, 16181566, 40453915, 80907830]

約数ペア:

[(1, 80907830), (2, 40453915), (5, 16181566), (10, 8090783), (31, 2609930), (62, 1304965), (155, 521986), (310, 260993), (359, 225370), (718, 112685), (727, 111290), (1454, 55645), (1795, 45074), (3590, 22537), (3635, 22258), (7270, 11129)]