38654720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 105077952

約数和(自身を除く): 66423232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 101, 104, 115, 128, 130, 160, 184, 202, 208, 230, 256, 260, 299, 320, 368, 404, 416, 460, 505, 520, 598, 640, 736, 808, 832, 920, 1010, 1040, 1196, 1280, 1313, 1472, 1495, 1616, 1664, 1840, 2020, 2080, 2323, 2392, 2626, 2944, 2990, 3232, 3328, 3680, 4040, 4160, 4646, 4784, 5252, 5888, 5980, 6464, 6565, 7360, 8080, 8320, 9292, 9568, 10504, 11615, 11960, 12928, 13130, 14720, 16160, 16640, 18584, 19136, 21008, 23230, 23920, 25856, 26260, 29440, 30199, 32320, 37168, 38272, 42016, 46460, 47840, 52520, 60398, 64640, 74336, 76544, 84032, 92920, 95680, 105040, 120796, 129280, 148672, 150995, 168064, 185840, 191360, 210080, 241592, 297344, 301990, 336128, 371680, 382720, 420160, 483184, 594688, 603980, 743360, 840320, 966368, 1207960, 1486720, 1680640, 1932736, 2415920, 2973440, 3865472, 4831840, 7730944, 9663680, 19327360, 38654720]

約数ペア:

[(1, 38654720), (2, 19327360), (4, 9663680), (5, 7730944), (8, 4831840), (10, 3865472), (13, 2973440), (16, 2415920), (20, 1932736), (23, 1680640), (26, 1486720), (32, 1207960), (40, 966368), (46, 840320), (52, 743360), (64, 603980), (65, 594688), (80, 483184), (92, 420160), (101, 382720), (104, 371680), (115, 336128), (128, 301990), (130, 297344), (160, 241592), (184, 210080), (202, 191360), (208, 185840), (230, 168064), (256, 150995), (260, 148672), (299, 129280), (320, 120796), (368, 105040), (404, 95680), (416, 92920), (460, 84032), (505, 76544), (520, 74336), (598, 64640), (640, 60398), (736, 52520), (808, 47840), (832, 46460), (920, 42016), (1010, 38272), (1040, 37168), (1196, 32320), (1280, 30199), (1313, 29440), (1472, 26260), (1495, 25856), (1616, 23920), (1664, 23230), (1840, 21008), (2020, 19136), (2080, 18584), (2323, 16640), (2392, 16160), (2626, 14720), (2944, 13130), (2990, 12928), (3232, 11960), (3328, 11615), (3680, 10504), (4040, 9568), (4160, 9292), (4646, 8320), (4784, 8080), (5252, 7360), (5888, 6565), (5980, 6464)]