88891181440

素因数分解:

$2^7\times 5^1\times {\mathrm{138892471}}^1$

素因数の和:138892490

約数の個数: 32

約数和(自身を含む): 212505482160

約数和(自身を除く): 123614300720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 138892471, 277784942, 555569884, 694462355, 1111139768, 1388924710, 2222279536, 2777849420, 4444559072, 5555698840, 8889118144, 11111397680, 17778236288, 22222795360, 44445590720, 88891181440]

約数ペア:

[(1, 88891181440), (2, 44445590720), (4, 22222795360), (5, 17778236288), (8, 11111397680), (10, 8889118144), (16, 5555698840), (20, 4444559072), (32, 2777849420), (40, 2222279536), (64, 1388924710), (80, 1111139768), (128, 694462355), (160, 555569884), (320, 277784942), (640, 138892471)]