39190019780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2579}}^1\times {\mathrm{39989}}^1$

素因数の和:42596

約数の個数: 48

約数和(自身を含む): 86666328000

約数和(自身を除く): 47476308220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2579, 5158, 10316, 12895, 25790, 39989, 49001, 51580, 79978, 98002, 159956, 196004, 199945, 245005, 399890, 490010, 759791, 799780, 980020, 1519582, 3039164, 3798955, 7597910, 15195820, 103131631, 206263262, 412526524, 515658155, 1031316310, 1959500989, 2062632620, 3919001978, 7838003956, 9797504945, 19595009890, 39190019780]

約数ペア:

[(1, 39190019780), (2, 19595009890), (4, 9797504945), (5, 7838003956), (10, 3919001978), (19, 2062632620), (20, 1959500989), (38, 1031316310), (76, 515658155), (95, 412526524), (190, 206263262), (380, 103131631), (2579, 15195820), (5158, 7597910), (10316, 3798955), (12895, 3039164), (25790, 1519582), (39989, 980020), (49001, 799780), (51580, 759791), (79978, 490010), (98002, 399890), (159956, 245005), (196004, 199945)]