2840370625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 4008216960

約数和(自身を除く): 1167846335

約数列:

[1, 5, 17, 23, 25, 59, 85, 115, 125, 197, 295, 391, 425, 575, 625, 985, 1003, 1357, 1475, 1955, 2125, 2875, 3349, 4531, 4925, 5015, 6785, 7375, 9775, 10625, 11623, 14375, 16745, 22655, 23069, 24625, 25075, 33925, 36875, 48875, 58115, 77027, 83725, 113275, 115345, 123125, 125375, 169625, 197591, 244375, 267329, 290575, 385135, 418625, 566375, 576725, 626875, 848125, 987955, 1336645, 1452875, 1925675, 2093125, 2831875, 2883625, 4544593, 4939775, 6683225, 7264375, 9628375, 14418125, 22722965, 24698875, 33416125, 48141875, 113614825, 123494375, 167080625, 568074125, 2840370625]

約数ペア:

[(1, 2840370625), (5, 568074125), (17, 167080625), (23, 123494375), (25, 113614825), (59, 48141875), (85, 33416125), (115, 24698875), (125, 22722965), (197, 14418125), (295, 9628375), (391, 7264375), (425, 6683225), (575, 4939775), (625, 4544593), (985, 2883625), (1003, 2831875), (1357, 2093125), (1475, 1925675), (1955, 1452875), (2125, 1336645), (2875, 987955), (3349, 848125), (4531, 626875), (4925, 576725), (5015, 566375), (6785, 418625), (7375, 385135), (9775, 290575), (10625, 267329), (11623, 244375), (14375, 197591), (16745, 169625), (22655, 125375), (23069, 123125), (24625, 115345), (25075, 113275), (33925, 83725), (36875, 77027), (48875, 58115)]