20899681400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349493}}^1$

素因数の和:349545

約数の個数: 96

約数和(自身を含む): 54604942560

約数和(自身を除く): 33705261160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 130, 184, 200, 230, 260, 299, 325, 460, 520, 575, 598, 650, 920, 1150, 1196, 1300, 1495, 2300, 2392, 2600, 2990, 4600, 5980, 7475, 11960, 14950, 29900, 59800, 349493, 698986, 1397972, 1747465, 2795944, 3494930, 4543409, 6989860, 8038339, 8737325, 9086818, 13979720, 16076678, 17474650, 18173636, 22717045, 32153356, 34949300, 36347272, 40191695, 45434090, 64306712, 69898600, 80383390, 90868180, 104498407, 113585225, 160766780, 181736360, 200958475, 208996814, 227170450, 321533560, 401916950, 417993628, 454340900, 522492035, 803833900, 835987256, 908681800, 1044984070, 1607667800, 2089968140, 2612460175, 4179936280, 5224920350, 10449840700, 20899681400]

約数ペア:

[(1, 20899681400), (2, 10449840700), (4, 5224920350), (5, 4179936280), (8, 2612460175), (10, 2089968140), (13, 1607667800), (20, 1044984070), (23, 908681800), (25, 835987256), (26, 803833900), (40, 522492035), (46, 454340900), (50, 417993628), (52, 401916950), (65, 321533560), (92, 227170450), (100, 208996814), (104, 200958475), (115, 181736360), (130, 160766780), (184, 113585225), (200, 104498407), (230, 90868180), (260, 80383390), (299, 69898600), (325, 64306712), (460, 45434090), (520, 40191695), (575, 36347272), (598, 34949300), (650, 32153356), (920, 22717045), (1150, 18173636), (1196, 17474650), (1300, 16076678), (1495, 13979720), (2300, 9086818), (2392, 8737325), (2600, 8038339), (2990, 6989860), (4600, 4543409), (5980, 3494930), (7475, 2795944), (11960, 1747465), (14950, 1397972), (29900, 698986), (59800, 349493)]