71138320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7349}}^1$

素因数の和:7384

約数の個数: 60

約数和(自身を含む): 181824300

約数和(自身を除く): 110685980

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 7349, 9680, 14698, 29396, 36745, 58792, 73490, 80839, 117584, 146980, 161678, 293960, 323356, 404195, 587920, 646712, 808390, 889229, 1293424, 1616780, 1778458, 3233560, 3556916, 4446145, 6467120, 7113832, 8892290, 14227664, 17784580, 35569160, 71138320]

約数ペア:

[(1, 71138320), (2, 35569160), (4, 17784580), (5, 14227664), (8, 8892290), (10, 7113832), (11, 6467120), (16, 4446145), (20, 3556916), (22, 3233560), (40, 1778458), (44, 1616780), (55, 1293424), (80, 889229), (88, 808390), (110, 646712), (121, 587920), (176, 404195), (220, 323356), (242, 293960), (440, 161678), (484, 146980), (605, 117584), (880, 80839), (968, 73490), (1210, 58792), (1936, 36745), (2420, 29396), (4840, 14698), (7349, 9680)]