39238420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 95961600

約数和(自身を除く): 56723180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 47, 52, 65, 76, 94, 95, 130, 169, 188, 190, 235, 247, 260, 338, 380, 470, 494, 611, 676, 845, 893, 940, 988, 1222, 1235, 1690, 1786, 2197, 2444, 2470, 3055, 3211, 3380, 3572, 4394, 4465, 4940, 6110, 6422, 7943, 8788, 8930, 10985, 11609, 12220, 12844, 15886, 16055, 17860, 21970, 23218, 31772, 32110, 39715, 41743, 43940, 46436, 58045, 64220, 79430, 83486, 103259, 116090, 150917, 158860, 166972, 206518, 208715, 232180, 301834, 413036, 417430, 516295, 603668, 754585, 834860, 1032590, 1509170, 1961921, 2065180, 3018340, 3923842, 7847684, 9809605, 19619210, 39238420]

約数ペア:

[(1, 39238420), (2, 19619210), (4, 9809605), (5, 7847684), (10, 3923842), (13, 3018340), (19, 2065180), (20, 1961921), (26, 1509170), (38, 1032590), (47, 834860), (52, 754585), (65, 603668), (76, 516295), (94, 417430), (95, 413036), (130, 301834), (169, 232180), (188, 208715), (190, 206518), (235, 166972), (247, 158860), (260, 150917), (338, 116090), (380, 103259), (470, 83486), (494, 79430), (611, 64220), (676, 58045), (845, 46436), (893, 43940), (940, 41743), (988, 39715), (1222, 32110), (1235, 31772), (1690, 23218), (1786, 21970), (2197, 17860), (2444, 16055), (2470, 15886), (3055, 12844), (3211, 12220), (3380, 11609), (3572, 10985), (4394, 8930), (4465, 8788), (4940, 7943), (6110, 6422)]