2016251875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 2947456512

約数和(自身を除く): 931204637

約数列:

[1, 5, 11, 23, 25, 41, 55, 115, 125, 205, 253, 275, 311, 451, 575, 625, 943, 1025, 1265, 1375, 1555, 2255, 2875, 3421, 4715, 5125, 6325, 6875, 7153, 7775, 10373, 11275, 12751, 14375, 17105, 23575, 25625, 31625, 35765, 38875, 51865, 56375, 63755, 78683, 85525, 117875, 140261, 158125, 178825, 194375, 259325, 281875, 293273, 318775, 393415, 427625, 589375, 701305, 894125, 1296625, 1466365, 1593875, 1967075, 2138125, 3226003, 3506525, 4470625, 6483125, 7331825, 7969375, 9835375, 16130015, 17532625, 36659125, 49176875, 80650075, 87663125, 183295625, 403250375, 2016251875]

約数ペア:

[(1, 2016251875), (5, 403250375), (11, 183295625), (23, 87663125), (25, 80650075), (41, 49176875), (55, 36659125), (115, 17532625), (125, 16130015), (205, 9835375), (253, 7969375), (275, 7331825), (311, 6483125), (451, 4470625), (575, 3506525), (625, 3226003), (943, 2138125), (1025, 1967075), (1265, 1593875), (1375, 1466365), (1555, 1296625), (2255, 894125), (2875, 701305), (3421, 589375), (4715, 427625), (5125, 393415), (6325, 318775), (6875, 293273), (7153, 281875), (7775, 259325), (10373, 194375), (11275, 178825), (12751, 158125), (14375, 140261), (17105, 117875), (23575, 85525), (25625, 78683), (31625, 63755), (35765, 56375), (38875, 51865)]