78628960

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{977}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 186320736

約数和(自身を除く): 107691776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 977, 1006, 1954, 2012, 2515, 3908, 4024, 4885, 5030, 7816, 8048, 9770, 10060, 15632, 16096, 19540, 20120, 31264, 39080, 40240, 78160, 80480, 156320, 491431, 982862, 1965724, 2457155, 3931448, 4914310, 7862896, 9828620, 15725792, 19657240, 39314480, 78628960]

約数ペア:

[(1, 78628960), (2, 39314480), (4, 19657240), (5, 15725792), (8, 9828620), (10, 7862896), (16, 4914310), (20, 3931448), (32, 2457155), (40, 1965724), (80, 982862), (160, 491431), (503, 156320), (977, 80480), (1006, 78160), (1954, 40240), (2012, 39080), (2515, 31264), (3908, 20120), (4024, 19540), (4885, 16096), (5030, 15632), (7816, 10060), (8048, 9770)]