38960740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21407}}^1$

素因数の和:21436

約数の個数: 48

約数和(自身を含む): 100703232

約数和(自身を除く): 61742492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21407, 42814, 85628, 107035, 149849, 214070, 278291, 299698, 428140, 556582, 599396, 749245, 1113164, 1391455, 1498490, 1948037, 2782910, 2996980, 3896074, 5565820, 7792148, 9740185, 19480370, 38960740]

約数ペア:

[(1, 38960740), (2, 19480370), (4, 9740185), (5, 7792148), (7, 5565820), (10, 3896074), (13, 2996980), (14, 2782910), (20, 1948037), (26, 1498490), (28, 1391455), (35, 1113164), (52, 749245), (65, 599396), (70, 556582), (91, 428140), (130, 299698), (140, 278291), (182, 214070), (260, 149849), (364, 107035), (455, 85628), (910, 42814), (1820, 21407)]