8314640540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{51973}}^1$

素因数の和:52422

約数の個数: 48

約数和(自身を含む): 18423743520

約数和(自身を除く): 10109102980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 421, 842, 1684, 2105, 4210, 7999, 8420, 15998, 31996, 39995, 51973, 79990, 103946, 159980, 207892, 259865, 519730, 987487, 1039460, 1974974, 3949948, 4937435, 9874870, 19749740, 21880633, 43761266, 87522532, 109403165, 218806330, 415732027, 437612660, 831464054, 1662928108, 2078660135, 4157320270, 8314640540]

約数ペア:

[(1, 8314640540), (2, 4157320270), (4, 2078660135), (5, 1662928108), (10, 831464054), (19, 437612660), (20, 415732027), (38, 218806330), (76, 109403165), (95, 87522532), (190, 43761266), (380, 21880633), (421, 19749740), (842, 9874870), (1684, 4937435), (2105, 3949948), (4210, 1974974), (7999, 1039460), (8420, 987487), (15998, 519730), (31996, 259865), (39995, 207892), (51973, 159980), (79990, 103946)]