21878750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:806

約数の個数: 40

約数和(自身を含む): 42848784

約数和(自身を除く): 20970034

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 761, 1150, 1250, 1522, 2875, 3805, 5750, 7610, 14375, 17503, 19025, 28750, 35006, 38050, 87515, 95125, 175030, 190250, 437575, 475625, 875150, 951250, 2187875, 4375750, 10939375, 21878750]

約数ペア:

[(1, 21878750), (2, 10939375), (5, 4375750), (10, 2187875), (23, 951250), (25, 875150), (46, 475625), (50, 437575), (115, 190250), (125, 175030), (230, 95125), (250, 87515), (575, 38050), (625, 35006), (761, 28750), (1150, 19025), (1250, 17503), (1522, 14375), (2875, 7610), (3805, 5750)]