74631440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71761}}^1$

素因数の和:71787

約数の個数: 40

約数和(自身を含む): 186868248

約数和(自身を除く): 112236808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 71761, 143522, 287044, 358805, 574088, 717610, 932893, 1148176, 1435220, 1865786, 2870440, 3731572, 4664465, 5740880, 7463144, 9328930, 14926288, 18657860, 37315720, 74631440]

約数ペア:

[(1, 74631440), (2, 37315720), (4, 18657860), (5, 14926288), (8, 9328930), (10, 7463144), (13, 5740880), (16, 4664465), (20, 3731572), (26, 2870440), (40, 1865786), (52, 1435220), (65, 1148176), (80, 932893), (104, 717610), (130, 574088), (208, 358805), (260, 287044), (520, 143522), (1040, 71761)]