81195625

素因数分解:

$5^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 118112192

約数和(自身を除く): 36916567

約数列:

[1, 5, 7, 25, 35, 67, 125, 175, 277, 335, 469, 625, 875, 1385, 1675, 1939, 2345, 4375, 6925, 8375, 9695, 11725, 18559, 34625, 41875, 48475, 58625, 92795, 129913, 173125, 242375, 293125, 463975, 649565, 1211875, 2319875, 3247825, 11599375, 16239125, 81195625]

約数ペア:

[(1, 81195625), (5, 16239125), (7, 11599375), (25, 3247825), (35, 2319875), (67, 1211875), (125, 649565), (175, 463975), (277, 293125), (335, 242375), (469, 173125), (625, 129913), (875, 92795), (1385, 58625), (1675, 48475), (1939, 41875), (2345, 34625), (4375, 18559), (6925, 11725), (8375, 9695)]