81066560

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4153}}^1$

素因数の和:4231

約数の個数: 56

約数和(自身を含む): 196251576

約数和(自身を除く): 115185016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4153, 4880, 8306, 9760, 16612, 19520, 20765, 33224, 41530, 66448, 83060, 132896, 166120, 253333, 265792, 332240, 506666, 664480, 1013332, 1266665, 1328960, 2026664, 2533330, 4053328, 5066660, 8106656, 10133320, 16213312, 20266640, 40533280, 81066560]

約数ペア:

[(1, 81066560), (2, 40533280), (4, 20266640), (5, 16213312), (8, 10133320), (10, 8106656), (16, 5066660), (20, 4053328), (32, 2533330), (40, 2026664), (61, 1328960), (64, 1266665), (80, 1013332), (122, 664480), (160, 506666), (244, 332240), (305, 265792), (320, 253333), (488, 166120), (610, 132896), (976, 83060), (1220, 66448), (1952, 41530), (2440, 33224), (3904, 20765), (4153, 19520), (4880, 16612), (8306, 9760)]