80443880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7949}}^1$

素因数の和:7994

約数の個数: 64

約数和(自身を含む): 206064000

約数和(自身を除く): 125620120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 7949, 10120, 15898, 31796, 39745, 63592, 79490, 87439, 158980, 174878, 182827, 317960, 349756, 365654, 437195, 699512, 731308, 874390, 914135, 1462616, 1748780, 1828270, 2011097, 3497560, 3656540, 4022194, 7313080, 8044388, 10055485, 16088776, 20110970, 40221940, 80443880]

約数ペア:

[(1, 80443880), (2, 40221940), (4, 20110970), (5, 16088776), (8, 10055485), (10, 8044388), (11, 7313080), (20, 4022194), (22, 3656540), (23, 3497560), (40, 2011097), (44, 1828270), (46, 1748780), (55, 1462616), (88, 914135), (92, 874390), (110, 731308), (115, 699512), (184, 437195), (220, 365654), (230, 349756), (253, 317960), (440, 182827), (460, 174878), (506, 158980), (920, 87439), (1012, 79490), (1265, 63592), (2024, 39745), (2530, 31796), (5060, 15898), (7949, 10120)]