25419680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 71791272

約数和(自身を除く): 46371592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 101, 104, 110, 121, 130, 143, 160, 176, 202, 208, 220, 242, 260, 286, 352, 404, 416, 440, 484, 505, 520, 572, 605, 715, 808, 880, 968, 1010, 1040, 1111, 1144, 1210, 1313, 1430, 1573, 1616, 1760, 1936, 2020, 2080, 2222, 2288, 2420, 2626, 2860, 3146, 3232, 3872, 4040, 4444, 4576, 4840, 5252, 5555, 5720, 6292, 6565, 7865, 8080, 8888, 9680, 10504, 11110, 11440, 12221, 12584, 13130, 14443, 15730, 16160, 17776, 19360, 21008, 22220, 22880, 24442, 25168, 26260, 28886, 31460, 35552, 42016, 44440, 48884, 50336, 52520, 57772, 61105, 62920, 72215, 88880, 97768, 105040, 115544, 122210, 125840, 144430, 158873, 177760, 195536, 210080, 231088, 244420, 251680, 288860, 317746, 391072, 462176, 488840, 577720, 635492, 794365, 977680, 1155440, 1270984, 1588730, 1955360, 2310880, 2541968, 3177460, 5083936, 6354920, 12709840, 25419680]

約数ペア:

[(1, 25419680), (2, 12709840), (4, 6354920), (5, 5083936), (8, 3177460), (10, 2541968), (11, 2310880), (13, 1955360), (16, 1588730), (20, 1270984), (22, 1155440), (26, 977680), (32, 794365), (40, 635492), (44, 577720), (52, 488840), (55, 462176), (65, 391072), (80, 317746), (88, 288860), (101, 251680), (104, 244420), (110, 231088), (121, 210080), (130, 195536), (143, 177760), (160, 158873), (176, 144430), (202, 125840), (208, 122210), (220, 115544), (242, 105040), (260, 97768), (286, 88880), (352, 72215), (404, 62920), (416, 61105), (440, 57772), (484, 52520), (505, 50336), (520, 48884), (572, 44440), (605, 42016), (715, 35552), (808, 31460), (880, 28886), (968, 26260), (1010, 25168), (1040, 24442), (1111, 22880), (1144, 22220), (1210, 21008), (1313, 19360), (1430, 17776), (1573, 16160), (1616, 15730), (1760, 14443), (1936, 13130), (2020, 12584), (2080, 12221), (2222, 11440), (2288, 11110), (2420, 10504), (2626, 9680), (2860, 8888), (3146, 8080), (3232, 7865), (3872, 6565), (4040, 6292), (4444, 5720), (4576, 5555), (4840, 5252)]