166612520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5347}}^1$

素因数の和:5418

約数の個数: 64

約数和(自身を含む): 404308800

約数和(自身を除く): 237696280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 5347, 6232, 7790, 10694, 15580, 21388, 26735, 31160, 42776, 53470, 101593, 106940, 203186, 213880, 219227, 406372, 438454, 507965, 812744, 876908, 1015930, 1096135, 1753816, 2031860, 2192270, 4063720, 4165313, 4384540, 8330626, 8769080, 16661252, 20826565, 33322504, 41653130, 83306260, 166612520]

約数ペア:

[(1, 166612520), (2, 83306260), (4, 41653130), (5, 33322504), (8, 20826565), (10, 16661252), (19, 8769080), (20, 8330626), (38, 4384540), (40, 4165313), (41, 4063720), (76, 2192270), (82, 2031860), (95, 1753816), (152, 1096135), (164, 1015930), (190, 876908), (205, 812744), (328, 507965), (380, 438454), (410, 406372), (760, 219227), (779, 213880), (820, 203186), (1558, 106940), (1640, 101593), (3116, 53470), (3895, 42776), (5347, 31160), (6232, 26735), (7790, 21388), (10694, 15580)]