25041940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 70326144

約数和(自身を除く): 45284204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 101, 110, 115, 140, 154, 161, 196, 202, 220, 230, 245, 253, 308, 322, 385, 404, 460, 490, 505, 506, 539, 644, 707, 770, 805, 980, 1010, 1012, 1078, 1111, 1127, 1265, 1414, 1540, 1610, 1771, 2020, 2156, 2222, 2254, 2323, 2530, 2695, 2828, 3220, 3535, 3542, 4444, 4508, 4646, 4949, 5060, 5390, 5555, 5635, 7070, 7084, 7777, 8855, 9292, 9898, 10780, 11110, 11270, 11615, 12397, 14140, 15554, 16261, 17710, 19796, 22220, 22540, 23230, 24745, 24794, 25553, 31108, 32522, 35420, 38885, 46460, 49490, 49588, 51106, 54439, 61985, 65044, 77770, 81305, 98980, 102212, 108878, 113827, 123970, 127765, 155540, 162610, 178871, 217756, 227654, 247940, 255530, 272195, 325220, 357742, 455308, 511060, 544390, 569135, 715484, 894355, 1088780, 1138270, 1252097, 1788710, 2276540, 2504194, 3577420, 5008388, 6260485, 12520970, 25041940]

約数ペア:

[(1, 25041940), (2, 12520970), (4, 6260485), (5, 5008388), (7, 3577420), (10, 2504194), (11, 2276540), (14, 1788710), (20, 1252097), (22, 1138270), (23, 1088780), (28, 894355), (35, 715484), (44, 569135), (46, 544390), (49, 511060), (55, 455308), (70, 357742), (77, 325220), (92, 272195), (98, 255530), (101, 247940), (110, 227654), (115, 217756), (140, 178871), (154, 162610), (161, 155540), (196, 127765), (202, 123970), (220, 113827), (230, 108878), (245, 102212), (253, 98980), (308, 81305), (322, 77770), (385, 65044), (404, 61985), (460, 54439), (490, 51106), (505, 49588), (506, 49490), (539, 46460), (644, 38885), (707, 35420), (770, 32522), (805, 31108), (980, 25553), (1010, 24794), (1012, 24745), (1078, 23230), (1111, 22540), (1127, 22220), (1265, 19796), (1414, 17710), (1540, 16261), (1610, 15554), (1771, 14140), (2020, 12397), (2156, 11615), (2222, 11270), (2254, 11110), (2323, 10780), (2530, 9898), (2695, 9292), (2828, 8855), (3220, 7777), (3535, 7084), (3542, 7070), (4444, 5635), (4508, 5555), (4646, 5390), (4949, 5060)]