40735660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 100490544

約数和(自身を除く): 59754884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 211, 245, 394, 422, 490, 788, 844, 980, 985, 1055, 1379, 1477, 1970, 2110, 2758, 2954, 3940, 4220, 5516, 5908, 6895, 7385, 9653, 10339, 13790, 14770, 19306, 20678, 27580, 29540, 38612, 41356, 41567, 48265, 51695, 83134, 96530, 103390, 166268, 193060, 206780, 207835, 290969, 415670, 581938, 831340, 1163876, 1454845, 2036783, 2909690, 4073566, 5819380, 8147132, 10183915, 20367830, 40735660]

約数ペア:

[(1, 40735660), (2, 20367830), (4, 10183915), (5, 8147132), (7, 5819380), (10, 4073566), (14, 2909690), (20, 2036783), (28, 1454845), (35, 1163876), (49, 831340), (70, 581938), (98, 415670), (140, 290969), (196, 207835), (197, 206780), (211, 193060), (245, 166268), (394, 103390), (422, 96530), (490, 83134), (788, 51695), (844, 48265), (980, 41567), (985, 41356), (1055, 38612), (1379, 29540), (1477, 27580), (1970, 20678), (2110, 19306), (2758, 14770), (2954, 13790), (3940, 10339), (4220, 9653), (5516, 7385), (5908, 6895)]