20100141875

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{265787}}^1$

素因数の和:265829

約数の個数: 30

約数和(自身を含む): 27608196924

約数和(自身を除く): 7508055049

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 625, 1375, 3025, 6875, 15125, 75625, 265787, 1328935, 2923657, 6644675, 14618285, 32160227, 33223375, 73091425, 160801135, 166116875, 365457125, 804005675, 1827285625, 4020028375, 20100141875]

約数ペア:

[(1, 20100141875), (5, 4020028375), (11, 1827285625), (25, 804005675), (55, 365457125), (121, 166116875), (125, 160801135), (275, 73091425), (605, 33223375), (625, 32160227), (1375, 14618285), (3025, 6644675), (6875, 2923657), (15125, 1328935), (75625, 265787)]