2590147220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1\times {\mathrm{2543}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 5497970688

約数和(自身を除く): 2907823468

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 401, 508, 635, 802, 1270, 1604, 2005, 2540, 2543, 4010, 5086, 8020, 10172, 12715, 25430, 50860, 50927, 101854, 203708, 254635, 322961, 509270, 645922, 1018540, 1019743, 1291844, 1614805, 2039486, 3229610, 4078972, 5098715, 6459220, 10197430, 20394860, 129507361, 259014722, 518029444, 647536805, 1295073610, 2590147220]

約数ペア:

[(1, 2590147220), (2, 1295073610), (4, 647536805), (5, 518029444), (10, 259014722), (20, 129507361), (127, 20394860), (254, 10197430), (401, 6459220), (508, 5098715), (635, 4078972), (802, 3229610), (1270, 2039486), (1604, 1614805), (2005, 1291844), (2540, 1019743), (2543, 1018540), (4010, 645922), (5086, 509270), (8020, 322961), (10172, 254635), (12715, 203708), (25430, 101854), (50860, 50927)]