9081228920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{110909}}^1$

素因数の和:111032

約数の個数: 64

約数和(自身を含む): 21560904000

約数和(自身を除く): 12479675080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 3560, 4094, 8188, 10235, 16376, 20470, 40940, 81880, 110909, 221818, 443636, 554545, 887272, 1109090, 2218180, 2550907, 4436360, 5101814, 9870901, 10203628, 12754535, 19741802, 20407256, 25509070, 39483604, 49354505, 51018140, 78967208, 98709010, 102036280, 197418020, 227030723, 394836040, 454061446, 908122892, 1135153615, 1816245784, 2270307230, 4540614460, 9081228920]

約数ペア:

[(1, 9081228920), (2, 4540614460), (4, 2270307230), (5, 1816245784), (8, 1135153615), (10, 908122892), (20, 454061446), (23, 394836040), (40, 227030723), (46, 197418020), (89, 102036280), (92, 98709010), (115, 78967208), (178, 51018140), (184, 49354505), (230, 39483604), (356, 25509070), (445, 20407256), (460, 19741802), (712, 12754535), (890, 10203628), (920, 9870901), (1780, 5101814), (2047, 4436360), (3560, 2550907), (4094, 2218180), (8188, 1109090), (10235, 887272), (16376, 554545), (20470, 443636), (40940, 221818), (81880, 110909)]