1672159760

素因数分解:

$2^4\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{9781}}^1$

素因数の和:11931

約数の個数: 40

約数和(自身を含む): 3889988376

約数和(自身を除く): 2217828616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2137, 4274, 8548, 9781, 10685, 17096, 19562, 21370, 34192, 39124, 42740, 48905, 78248, 85480, 97810, 156496, 170960, 195620, 391240, 782480, 20901997, 41803994, 83607988, 104509985, 167215976, 209019970, 334431952, 418039940, 836079880, 1672159760]

約数ペア:

[(1, 1672159760), (2, 836079880), (4, 418039940), (5, 334431952), (8, 209019970), (10, 167215976), (16, 104509985), (20, 83607988), (40, 41803994), (80, 20901997), (2137, 782480), (4274, 391240), (8548, 195620), (9781, 170960), (10685, 156496), (17096, 97810), (19562, 85480), (21370, 78248), (34192, 48905), (39124, 42740)]