25426940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 71500800

約数和(自身を除く): 46073860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 79, 95, 110, 121, 133, 140, 154, 158, 190, 209, 220, 242, 266, 308, 316, 380, 385, 395, 418, 484, 532, 553, 605, 665, 770, 790, 836, 847, 869, 1045, 1106, 1210, 1330, 1463, 1501, 1540, 1580, 1694, 1738, 2090, 2212, 2299, 2420, 2660, 2765, 2926, 3002, 3388, 3476, 4180, 4235, 4345, 4598, 5530, 5852, 6004, 6083, 7315, 7505, 8470, 8690, 9196, 9559, 10507, 11060, 11495, 12166, 14630, 15010, 16093, 16511, 16940, 17380, 19118, 21014, 22990, 24332, 29260, 30020, 30415, 32186, 33022, 38236, 42028, 45980, 47795, 52535, 60830, 64372, 66044, 66913, 80465, 82555, 95590, 105070, 115577, 121660, 133826, 160930, 165110, 181621, 191180, 210140, 231154, 267652, 321860, 330220, 334565, 363242, 462308, 577885, 669130, 726484, 908105, 1155770, 1271347, 1338260, 1816210, 2311540, 2542694, 3632420, 5085388, 6356735, 12713470, 25426940]

約数ペア:

[(1, 25426940), (2, 12713470), (4, 6356735), (5, 5085388), (7, 3632420), (10, 2542694), (11, 2311540), (14, 1816210), (19, 1338260), (20, 1271347), (22, 1155770), (28, 908105), (35, 726484), (38, 669130), (44, 577885), (55, 462308), (70, 363242), (76, 334565), (77, 330220), (79, 321860), (95, 267652), (110, 231154), (121, 210140), (133, 191180), (140, 181621), (154, 165110), (158, 160930), (190, 133826), (209, 121660), (220, 115577), (242, 105070), (266, 95590), (308, 82555), (316, 80465), (380, 66913), (385, 66044), (395, 64372), (418, 60830), (484, 52535), (532, 47795), (553, 45980), (605, 42028), (665, 38236), (770, 33022), (790, 32186), (836, 30415), (847, 30020), (869, 29260), (1045, 24332), (1106, 22990), (1210, 21014), (1330, 19118), (1463, 17380), (1501, 16940), (1540, 16511), (1580, 16093), (1694, 15010), (1738, 14630), (2090, 12166), (2212, 11495), (2299, 11060), (2420, 10507), (2660, 9559), (2765, 9196), (2926, 8690), (3002, 8470), (3388, 7505), (3476, 7315), (4180, 6083), (4235, 6004), (4345, 5852), (4598, 5530)]