40462520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 111421440

約数和(自身を除く): 70958920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 103, 115, 122, 140, 161, 184, 206, 230, 244, 280, 305, 322, 412, 427, 460, 488, 515, 610, 644, 721, 805, 824, 854, 920, 1030, 1220, 1288, 1403, 1442, 1610, 1708, 2060, 2135, 2369, 2440, 2806, 2884, 3220, 3416, 3605, 4120, 4270, 4738, 5612, 5768, 6283, 6440, 7015, 7210, 8540, 9476, 9821, 11224, 11845, 12566, 14030, 14420, 16583, 17080, 18952, 19642, 23690, 25132, 28060, 28840, 31415, 33166, 39284, 43981, 47380, 49105, 50264, 56120, 62830, 66332, 78568, 82915, 87962, 94760, 98210, 125660, 132664, 144509, 165830, 175924, 196420, 219905, 251320, 289018, 331660, 351848, 392840, 439810, 578036, 663320, 722545, 879620, 1011563, 1156072, 1445090, 1759240, 2023126, 2890180, 4046252, 5057815, 5780360, 8092504, 10115630, 20231260, 40462520]

約数ペア:

[(1, 40462520), (2, 20231260), (4, 10115630), (5, 8092504), (7, 5780360), (8, 5057815), (10, 4046252), (14, 2890180), (20, 2023126), (23, 1759240), (28, 1445090), (35, 1156072), (40, 1011563), (46, 879620), (56, 722545), (61, 663320), (70, 578036), (92, 439810), (103, 392840), (115, 351848), (122, 331660), (140, 289018), (161, 251320), (184, 219905), (206, 196420), (230, 175924), (244, 165830), (280, 144509), (305, 132664), (322, 125660), (412, 98210), (427, 94760), (460, 87962), (488, 82915), (515, 78568), (610, 66332), (644, 62830), (721, 56120), (805, 50264), (824, 49105), (854, 47380), (920, 43981), (1030, 39284), (1220, 33166), (1288, 31415), (1403, 28840), (1442, 28060), (1610, 25132), (1708, 23690), (2060, 19642), (2135, 18952), (2369, 17080), (2440, 16583), (2806, 14420), (2884, 14030), (3220, 12566), (3416, 11845), (3605, 11224), (4120, 9821), (4270, 9476), (4738, 8540), (5612, 7210), (5768, 7015), (6283, 6440)]